{"id":1423,"date":"2013-07-28T21:32:35","date_gmt":"2013-07-28T17:32:35","guid":{"rendered":"http:\/\/sites.williams.edu\/kkwitter\/?page_id=1423"},"modified":"2017-08-23T18:07:41","modified_gmt":"2017-08-23T14:07:41","slug":"a111-links-applets-2","status":"publish","type":"page","link":"https:\/\/sites.williams.edu\/kkwitter\/course-web-pages\/astronomy-111\/a111-links-applets-2\/","title":{"rendered":"A111 Links &amp; Applets"},"content":{"rendered":"<p><b>NOTE:<\/b> Some of the applets linked here require java to run on your computer. There are well-known security issues with Java and many operating systems block Java applets, which you may or may not be able to override. All links worked as of 7\/28\/17. Course topics start from the bottom of the page.<\/p>\n<p><span style=\"color: #ff0000\"><em>last updated 8\/23\/17<\/em><\/span><\/p>\n<div class=\"hidden\">WHAT&#8217;S BETWEEN THESE TAGS IS HIDDEN<\/div>\n<h2><span style=\"color: #800080\">Relativity &amp; Black Holes<\/span><\/h2>\n<p>SPECIAL RELATIVITY:<br \/>\n<a href=\"http:\/\/www.its.caltech.edu\/~phys1\/java\/phys1\/Einstein\/Einstein.html\" target=\"_blank\" rel=\"noopener\">Great special relativity applet with several demos<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=wteiuxyqtoM\" target=\"_blank\" rel=\"noopener\">Animation of non-absolute nature of simultaneity<\/a><br \/>\n<a href=\"http:\/\/webphysics.davidson.edu\/physlet_resources\/special_relativity\/illustration4.html\" target=\"_blank\" rel=\"noopener\">Time dilation and length contraction applets to play with<\/a><\/p>\n<p>GENERAL RELATIVITY:<\/p>\n<div class=\"hidden\"><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/17GR.pdf\" target=\"_blank\" rel=\"noopener\">General Relativity notes<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/18BH1.pdf\" target=\"_blank\" rel=\"noopener\">Black Hole notes -1<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/19BH2.pdf\" target=\"_blank\" rel=\"noopener\">Black Hole notes -2<\/a><\/div>\n<p><a href=\"http:\/\/sites.williams.edu\/kkwitter\/files\/2016\/11\/GW_BHkk_post.pdf\" target=\"new\">Paper announcing detection gravitational radiation from merging black holes<\/a> (with my highlighting)<br \/>\n<a href=\"https:\/\/www.ligo.caltech.edu\/gallery\" target=\"new\">Caltech LIGO Gallery<\/a><br \/>\n<a href=\"http:\/\/www.ligo.org\/science\/Publication-GW150914\/index.php\" target=\"new\">Explanation of LIGO BH merger observations<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=FlDtXIBrAYE&amp;feature=youtu.be\" target=\"new\">Detection of gravitational waves from a merging black hole pair!<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/movies\/equivalence_a_vs_g.mov\" target=\"_blank\" rel=\"noopener\">Equivalence Principle: acceleration and gravity<\/a><em>\u00a0<\/em><br \/>\n<em>(from phys23p.sl.psu.edu\/phys_anim\/mod\/indexer_mod.html)<\/em><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/movies\/equivalence_still_vs_ff.mov\" target=\"_blank\" rel=\"noopener\">Equivalence Principle: force-free space and free-fall<br \/>\n<\/a><a href=\"http:\/\/www.pbs.org\/wgbh\/nova\/physics\/einstein-thought-experiments.html\" target=\"new\">PBS video of Einstein&#8217;s <em> thought experiments<\/em><\/a><br \/>\n<a href=\"http:\/\/www.astro.cornell.edu\/academics\/courses\/astro201\/psr1913.htm\">The Binary Pulsar<\/a><br \/>\n<a href=\"http:\/\/www.astro.cornell.edu\/academics\/courses\/astro201\/merc_adv.htm\">Diagram of Precession of Mercury&#8217;s Perihelion<\/a><br \/>\n<a href=\"http:\/\/www.opencourse.info\/astronomy\/introduction\/06.motion_gravity_laws\/#Precession of Mercury\">Simulation of Orbit Precession\u00a0<\/a><br \/>\n<a href=\"http:\/\/physics.ucr.edu\/~wudka\/Physics7\/Notes_www\/node98.html\">Precession of Mercury&#8217;s perihelion<\/a><br \/>\n<a href=\"http:\/\/ircamera.as.arizona.edu\/NatSci102\/NatSci102\/lectures\/blackhole.htm\">Bending of starlight<\/a> &#8211; about 2\/3 down the page<br \/>\n<a href=\"http:\/\/www.spacetelescope.org\/videos\/heic1106a\/\">Animation of gravitational lens<\/a><br \/>\n<a href=\"http:\/\/science.sciencemag.org\/content\/sci\/early\/2017\/06\/06\/science.aal2879.full.pdf\" target=\"new\">Measuring the Mass of a WD via Gravitational Microlensing<\/a><br \/>\n<a href=\"http:\/\/www.spacetelescope.org\/videos\/heic0404a\/\">Light path animation for lensing of a galaxy at redshift z=7<\/a><br \/>\n<a href=\"http:\/\/spiff.rit.edu\/classes\/phys230\/lectures\/planets\/Lens_Nav.swf\">Gravitational Lens applet<\/a> FLASH download<br \/>\n<a href=\"http:\/\/www.astro.cornell.edu\/academics\/courses\/astro201\/bh_xray_binary.htm\">Black hole binary system models<\/a><br \/>\n<a href=\"http:\/\/einstein.stanford.edu\/SPACETIME\/spacetime4.html\" target=\"_blank\" rel=\"noopener\">Gravity Probe B page<\/a> with good explanatory videos<br \/>\n<a href=\"http:\/\/cosmology.berkeley.edu\/Education\/BHfaq.html\">Black Hole FAQs<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\">Comparative warping of space<\/a><\/p>\n<h2><span style=\"color: #800080\">Star Clusters &amp; Populations<\/span><\/h2>\n<p><a href=\"http:\/\/ircamera.as.arizona.edu\/NatSci102\/NatSci102\/lectures\/milkywayparts.htm\" target=\"_blank\" rel=\"noopener\">George Rieke&#8217;s Milky Way page<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\">\u00a0&#8211;READ THIS!<\/a><br \/>\n<a href=\"http:\/\/www.astronomy.ohio-state.edu\/~ryden\/ast162_3\/notes13.html\" target=\"_blank\" rel=\"noopener\">website about star clusters<\/a><a href=\"http:\/\/web.williams.edu\/astronomy\/Course-Pages\/111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\"><br \/>\n<\/a><a href=\"http:\/\/hypnagogic.net\/sim\/Sim\/hr3\/HRdiagram.html\" target=\"new\">Animation of HR diagram evolution for an ensemble of many stars<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/Cluster_H-Ra.jpg\" target=\"_blank\" rel=\"noopener\">Evolution of a cluster&#8217;s HR diagram<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\"><br \/>\n<\/a><a href=\"http:\/\/www.sns.ias.edu\/~starlab\/animations\/n12kmovie.mpg\" target=\"new\">Computer simulation of 30 Doradus, a young star cluster in the Large Magellanic Cloud, over 3 million years<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/clusterhrd.jpg\" target=\"_blank&quot;\">Composite open cluster HR diagram<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\">\u00a0except for M3 which is a globular cluster, for comparison<br \/>\n<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/glclhrd.jpg\" target=\"_blank\" rel=\"noopener\">Globular cluster HR diagram<\/a><a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/BHspace.gif\" target=\"_blank\" rel=\"noopener\"><br \/>\n<\/a><a href=\"http:\/\/www.astro.princeton.edu\/~jhartman\/M3_movies.html\" target=\"_blank\" rel=\"noopener\">Movies over a single night of RR Lyrae stars in globular cluster M3<\/a> <em>by Krzysztof Stanek and Andrew Szentgyorgyi, Whipple Observatory<\/em><br \/>\n<a href=\"http:\/\/apod.nasa.gov\/apod\/ap071020.html\" target=\"_blank&quot;\">A beautiful view of the Milky Way<\/a><\/p>\n<h2><span style=\"color: #800080\">Compact Binaries<\/span><\/h2>\n<p><a href=\"http:\/\/physics.uoregon.edu\/~jimbrau\/BrauImNew\/Chap20\/FG20_21.jpg\" target=\"_blank\" rel=\"noopener\">Roche lobes<\/a><br \/>\n<a href=\"http:\/\/physics.uoregon.edu\/~jimbrau\/BrauImNew\/Chap20\/FG20_22.jpg\" target=\"_blank\" rel=\"noopener\">Close binary classification<\/a><br \/>\n<a href=\"http:\/\/imagine.gsfc.nasa.gov\/docs\/science\/know_l1\/binary_stars.html\" target=\"_blank\" rel=\"noopener\">NASA&#8217;s page on X-ray binaries<\/a><br \/>\n<a href=\"http:\/\/imagine.gsfc.nasa.gov\/science\/objects\/binary_stars1.html\" target=\"new\">Merging neutron stars<\/a> explain short-duration gamma-ray bursts<br \/>\n<a href=\"http:\/\/www.daviddarling.info\/images\/gamma-ray_bursts.jpg\" target=\"new\">Gamma-Ray Bursts<\/a><br \/>\n<a href=\"http:\/\/www.astro.cornell.edu\/academics\/courses\/astro2201\/bh_xray_binary.htm\">Black hole binary system models<br \/>\n<\/a><a href=\"http:\/\/casa.colorado.edu\/~ajsh\/schw.shtml\" target=\"_blank\" rel=\"noopener\">Falling into a Black Hole<\/a>\u00a0&#8211; a bit technical but lots of good info here<\/p>\n<h2><span style=\"color: #800080\">Supernovae, Neutron Stars &amp; Pulsars<\/span><\/h2>\n<p><a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2015\/29\/\" target=\"new\">Veil Nebula SNR from HST<\/a><br \/>\n<a href=\"http:\/\/www.annualreviews.org\/doi\/pdf\/10.1146\/annurev.astro.45.051806.110608\" target=\"new\">Technical, but accessible article on the Crab Nebula<\/a><br \/>\n<a href=\"http:\/\/www.atnf.csiro.au\/research\/pulsar\/psrcat\/\">A pulsar catalogue<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/pulsexpl.tiff\" target=\"_blank\" rel=\"noopener\">Explanation of pulsar mechanism<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/tides.tiff\" target=\"_blank\" rel=\"noopener\">Derivation of tidal force<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/energetics.tiff\" target=\"_blank\" rel=\"noopener\">Energetics of the Crab Nebula<\/a>\u00a0<em>showing it&#8217;s powered by rotational energy lost by the pulsar<\/em><br \/>\n<a href=\"http:\/\/www.cleonis.nl\/physics\/momentum_img\/centripetal_force_doing_work_256x256.gif\" target=\"_blank\" rel=\"noopener\">Conservation of angular momentum<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/pulsar.gif\" target=\"_blank\" rel=\"noopener\">Pulsar Lighthouse Animation<\/a><br \/>\n<em>(from www3.amherst.edu\/~gsgreenstein\/progs\/animations\/pulsar_beacon\/)<\/em><br \/>\n<a href=\"http:\/\/www.jb.man.ac.uk\/~pulsar\/Education\/Sounds\/sounds.html\">Pulsar Sounds<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/PulsarsEvolution320x256.mpg\" target=\"_blank\" rel=\"noopener\">Animation of Double Pulsar evolution<\/a>\u00a0(orbital motion suppressed)<em>\u00a0John Rowe Animation\/Australia Telescope National Facility, CSIRO<\/em><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/PulsarsCurrent320x256.mpg\" target=\"_blank\" rel=\"noopener\">Current state of the Double Pulsar<\/a>\u00a0<em>John Rowe Animation\/Australia Telescope National Facility, CSIRO<\/em><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/SN\/n-processinSN.gif\">Building neutron-rich isotopes<\/a><br \/>\n<a href=\"http:\/\/web.williams.edu\/astronomy\/Course-Pages\/330\/images\/onion.tiff\" target=\"new\">High-mass core<\/a> (Type II SN precursor)<br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/SN\/sn_explosion.gif\">Type II Supernova explosion cartoon<\/a>\u00a0from\u00a0<em>abyss.uoregon.edu\/ ~js\/images\/sn_explosion.gif<\/em><br \/>\n<a href=\"http:\/\/hubblesite.org\/news_release\/news\/2017-08\" target=\"new\">Thirty Years of Observation Yield Insight into SN 1987a<\/a><br \/>\n<a href=\"http:\/\/hyperphysics.phy-astr.gsu.edu\/hbase\/astro\/sn87a.html\" target=\"_blank&quot;\">Detection of neutrinos from SN 1987a<\/a><br \/>\n<a href=\"http:\/\/imagine.gsfc.nasa.gov\/descriptions\/GRBstar2.html\" target=\"new\">Long-Duration Gamma Ray Burst Explanation from NASA<\/a><\/p>\n<h2><span style=\"color: #800080\">Cepheid Variables<\/span><\/h2>\n<p><a href=\"https:\/\/wigglez.swin.edu.au\/site\/image1.html\" target=\"_blank\" rel=\"noopener\">Standard Candles<\/a><br \/>\n<a href=\"http:\/\/www.aavso.org\/vsots_delcep\" target=\"_blank\" rel=\"noopener\">All about Delta Cephei and Cepheid variables<\/a><br \/>\n<a href=\"http:\/\/www.cfa.harvard.edu\/events\/2008\/leavitt\/index\/Flyer.jpg\" target=\"_blank\" rel=\"noopener\">H. Leavitt<\/a><br \/>\n<a href=\"http:\/\/www.rpi.edu\/dept\/phys\/Courses\/Astro_F96\/lnAstro\/Illustrations\/cepheidExample.gif\" target=\"_blank\" rel=\"noopener\">Schematic Cepheid Light Curve<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/variable.gif\" target=\"_blank\" rel=\"noopener\">Schematic Cepheid light curves at different P<\/a><br \/>\n<a href=\"http:\/\/www.ifa.hawaii.edu\/~barnes\/ast110_06\/trotn\/1128a.jpg\" target=\"_blank\" rel=\"noopener\">The P-L relation<\/a><br \/>\n<a href=\"http:\/\/web.williams.edu\/astronomy\/Course-Pages\/330\/images\/ceph.gif\" target=\"_blank\" rel=\"noopener\">Visualization of the Cepheid P-L relation<\/a><br \/>\n<a href=\"http:\/\/outreach.atnf.csiro.au\/education\/senior\/astrophysics\/variable_pulsating.html\" target=\"_blank\" rel=\"noopener\">Description of Cepheid pulsation mechanism<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/M100c.mpeg\" target=\"_blank\" rel=\"noopener\">Movie of a Cepheid in M100<\/a>\u00a0from the AAVSO<br \/>\n<a href=\"http:\/\/astro.wku.edu\/labs\/m100\/thehunt.html\" target=\"_blank\" rel=\"noopener\">Hunting for Cepheid Variables in M100<\/a><\/p>\n<h2><span style=\"color: #800080\">Stellar Evolution Plus Some Useful Animations <\/span><\/h2>\n<p><a href=\"http:\/\/physics.gmu.edu\/~hgeller\/astr113c01\/DeathOfStarsB.pdf\">The Deaths of Stars <\/a><br \/>\n<a href=\"http:\/\/www.atnf.csiro.au\/outreach\/\/education\/senior\/astrophysics\/stellarevolutiontop.html\" target=\"new\">GOOD series of web pages covering most course material<\/a><br \/>\n<a href=\"http:\/\/starinabox.lcogt.net\" target=\"new\"><i>Star in a Box<\/i><\/a> &#8211; watch stellar evolution on the HR diagram!<br \/>\n<a href=\"https:\/\/www.cpp.edu\/~pbsiegel\/phy303\/sunevolution.jpg\" target=\"new\">Evolution of a 1 solar mass star<\/a><br \/>\n<a href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/f\/fc\/Stellar_evolutionary_tracks-en.svg\" target=\"new\">Stellar evolution on the HR diagram for different masses<\/a><br \/>\n<a href=\"http:\/\/physics.unm.edu\/Courses\/Rand\/applets\/hr.html\" target=\"new\">HR Diagram evolution simulation for many stars<\/a><\/p>\n<h2><span style=\"color: #800080\">Planetary Nebulae &amp; White Dwarfs<\/span><\/h2>\n<p><a href=\"http:\/\/www.williams.edu\/Astronomy\/research\/PN\/nebulae\/\">A Gallery of Planetary Nebula Spectra<\/a><br \/>\nPlanetary Nebula Shapes:<br \/>\nRoundish\/Elliptical (<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/123.6+34.5.IC3568hst.jpg\">IC 3568<\/a>,\u00a0<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/196.6-10.9.NGC2022hst.jpg\">NGC 2022<\/a>,\u00a0<a href=\"http:\/\/www.faculty.washington.edu\/\/balick\/PNIC\/PNimages_by_galcoord\/148.4+57.0.NGC3587.jpg\">the Owl Nebula<\/a>,\u00a0<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/036.2-57.1.NGC7293hst.jpg\">the Helix Nebula<\/a>)<br \/>\nBipolar (<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/037.7-34.5.NGC7009hst.jpg\">NGC 7009<\/a>,\u00a0<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/111.8-02.8.Hb12hst.jpg\">Hb 12<\/a>)<br \/>\nQuadrupolar (<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/089.0+00.3.NGC7026hst.jpg\">NGC 7026<\/a>,\u00a0<a href=\"http:\/\/www.faculty.washington.edu\/balick\/PNIC\/PNimages_by_galcoord\/294.6+04.7.NGC3918hst.jpg\">NGC 3918<\/a>)<br \/>\nPoint-symmetric:\u00a0<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/ngc5307.jpg\">NGC 5307<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/MRrel.tiff\" target=\"_blank\" rel=\"noopener\">Origin of Mass-Radius relation for white dwarfs<\/a><br \/>\n<a href=\"http:\/\/science.sciencemag.org\/content\/sci\/early\/2017\/06\/06\/science.aal2879.full.pdf\" target=\"new\">Measuring the Mass of a WD via Gravitational Microlensing<\/a><\/p>\n<h2><span style=\"color: #800080\">Star Formation &amp; Energy Generation<\/span><\/h2>\n<p>Astronomer Ivan King gives one of the most cogent, understandable explanations of stellar structure ever, using not a single equation: <a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/King.pdf\">here<\/a> it is.<br \/>\n<a href=\"http:\/\/astro.unl.edu\/classaction\/animations\/sunsolarenergy\/\/fusion01.swf\">The proton-proton cycle<\/a> &#8211; this is a flash download!<br \/>\n<a href=\"http:\/\/astro.unl.edu\/classaction\/animations\/sunsolarenergy\/\/fusion02.swf\">The CNO cycle<\/a>\u00a0&#8211; this is a flash download!<br \/>\n<a href=\"http:\/\/spiff.rit.edu\/classes\/phys230\/lectures\/stellar_energy\/stellar_energy.html\">Stellar energy generation page<\/a> from Michael Richmond at RIT<br \/>\n<a href=\"http:\/\/sites.williams.edu\/kkwitter\/files\/2013\/10\/MentalFloss.pdf\" target=\"new\">&#8220;So You Want to Make a Star&#8221;<\/a> article by Prof. Kwitter from\u00a0<em>Mental Floss<\/em><br \/>\n<a href=\"http:\/\/pages.uoregon.edu\/jimbrau\/astr122-2015\/Notes\/Chapter19.html\">Jim Brau&#8217;s star formation web page at U. Oregon<\/a><br \/>\n<a href=\"http:\/\/www.cfa.harvard.edu\/COMPLETE\/learn\/star_and_planet_formation.html\">Steps to Star Formation<\/a>\u00a0from Alyssa Goodman&#8217;s COMPLETE program at CfA<br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/proto.jpg\">HR diagram<\/a>\u00a0showing protostar evolutionary track<br \/>\n<a href=\"http:\/\/burro.astr.cwru.edu\/Academics\/Astr221\/StarPhys\/hydrostat.html\">Explanation of Hydrostatic Equilibrium<\/a><br \/>\n<a href=\"http:\/\/www.dartmouth.edu\/~chaboyer\/images\/StellarModel.png\">Input for a stellar model<\/a><\/p>\n<h2><span style=\"color: #800080\">Particles &amp; Forces<\/span><\/h2>\n<p>A\u00a0<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/nucolor.tiff\">figure<\/a>\u00a0from John Bahcall showing the evolution of neutrino experiments and the new agreement with theory.<br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/nuosci.gif\">THE ANSWER<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/forces.pdf\" target=\"new\">The sheet on particles and forces<\/a><br \/>\nA <a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/chart_2006_4.jpg\" target=\"new\">blowup<\/a>\u00a0of the chart of particles and interactions in the stairwell.<br \/>\n<a href=\"http:\/\/www.particleadventure.org\">The Particle Adventure<\/a><\/p>\n<h2><span style=\"color: #800080\">The Sun<\/span><\/h2>\n<p><a href=\"http:\/\/spiff.rit.edu\/classes\/phys440\/lectures\/optd\/optd.html\" target=\"new\">Further explanation of optical depth<\/a><br \/>\n<a href=\"http:\/\/www.youtube.com\/watch?v=uXtV1wKe47w\">Hinode hi-res movie of solar granulation<\/a><br \/>\n<a href=\"http:\/\/solar.physics.montana.edu\/YPOP\/Movies\/sxt_white_920110_920309.mpg\">Here<\/a>\u00a0is a movie of solar rotation.<br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/granule_texas.jpg\" target=\"new\">Solar granulation size comparison<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/supergran.gif\" target=\"new\">Supergranulation<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/spotregion_earth.jpg\" target=\":new&quot;\">Sunspot size comparison<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/prominence_size_earth.jpg\" target=\"new\">Prominence size comparison<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/solatmos_earth.gif\" target=\"new\">Spicule size comparison<\/a><br \/>\n<a href=\"https:\/\/sohowww.nascom.nasa.gov\/bestofsoho\/Movies\/animations.html\" target=\"new\">NASA solar wind animation<\/a><br \/>\n<a href=\"http:\/\/solar.spacew.com\/sunnow\/\" target=\"new\">The Sun &#8211; NOW!<\/a><br \/>\n<a href=\"http:\/\/www.michielb.nl\/sun\/\" target=\"new\">Tour Through the Sun<\/a><br \/>\n<a href=\"http:\/\/chandra.harvard.edu\/graphics\/edu\/formal\/variable_stars\/evolutionary_track.jpg\" target=\"new\">The Sun&#8217;s Evolutionary Track &#8211; with timescales<\/a><br \/>\n<a href=\"http:\/\/outreach.atnf.csiro.au\/education\/senior\/astrophysics\/images\/stellarevolution\/hrsunplannebwd.jpg\" target=\"new\">The Sun&#8217;s Evolutionary Track &#8211; with nuclear processes<\/a><\/p>\n<h2><span style=\"color: #800080;font-family: 'Droid Sans', Arial, 'sans serif';font-size: 18px\">Binary Stars<\/span><\/h2>\n<p><a href=\"http:\/\/physics.unm.edu\/Courses\/Rand\/applets\/kepler_2.html\" target=\"new\">Kepler&#8217;s Second Law interactive applet<\/a><br \/>\n<a href=\"http:\/\/physics.unm.edu\/Courses\/Rand\/applets\/kepler_3.html\" target=\"new\">Kepler&#8217;s Third Law interactive applet<\/a><br \/>\n<a href=\"http:\/\/www.astro.cornell.edu\/academics\/courses\/astro201\/kepler_binary.htm\" target=\"new\">Binary Star Orbits and Kepler&#8217;s Laws<\/a><br \/>\n<a href=\"http:\/\/www.pas.rochester.edu\/~dmw\/ast102\/Java\/binary.htm\">Spectroscopic Binary simulation<\/a><br \/>\n<a href=\"http:\/\/abyss.uoregon.edu\/~js\/applets\/eclipse\/eclipse.htm\">Eclipsing Binary simulation<\/a><br \/>\n<a href=\"http:\/\/www2.warwick.ac.uk\/fac\/sci\/physics\/research\/astro\/postgraduate\/ultracam\/\">High-speed CCD photometry movie of eclipsing binary<\/a><\/p>\n<div class=\"hidden\">http:\/\/physics.unm.edu\/Courses\/Rand\/applets\/eclipsingBinaries.html&#8221;&gt;Eclipsing binary simulation\u00a0&#8211;this is another site<\/div>\n<h2><span style=\"color: #800080\">Telescopes, Observatories &amp; CCDs<\/span><\/h2>\n<p><a href=\"https:\/\/www.nasa.gov\/connect\/ebooks\/hubble_25_detail.html\" target=\"new\">A Quarter-Century of Discovery with the Hubble Space Telescope<\/a><br \/>\n<a href=\"http:\/\/zebu.uoregon.edu\/ccd.html\">Greg Bothun&#8217;s (irreverent) CCD page<\/a><br \/>\n<a href=\"http:\/\/web.njit.edu\/~gary\/202\/Lecture6.html\">Telescope Basics<\/a><br \/>\n<a href=\"http:\/\/faculty.physics.tamu.edu\/krisciunas\/light_tel.pdf\">Light &amp; Telescopes<\/a><br \/>\n<a href=\"http:\/\/www.ucolick.org\/~max\/AY289\/\">Claire Max&#8217;s AO course homepage<\/a><br \/>\n<a href=\"http:\/\/www.gemini.edu\">The Gemini Observatory<\/a><br \/>\n<a href=\"http:\/\/www.youtube.com\/watch?v=uFlqVvZnE68\">Lifting the lid on the LSST mirror<\/a><br \/>\n<a href=\"http:\/\/www.keckobservatory.org\/\">The Keck Observatory<\/a><br \/>\n<a href=\"http:\/\/ngst.gsfc.nasa.gov\/\">The James Webb Space Telescope<\/a><br \/>\n<a href=\"http:\/\/www.stsci.edu\/hst\/HST_overview\/\">HST<\/a><br \/>\n<a href=\"http:\/\/www.nrao.edu\/\">NRAO<\/a><br \/>\n<a href=\"http:\/\/images.nrao.edu\/321\">The Night Sky in Radio<\/a><br \/>\n<a href=\"http:\/\/hubblesite.org\/the_telescope\/nuts_.and._bolts\/optics\/costar\/\">HST fix<\/a><br \/>\n<a href=\"http:\/\/chandra.harvard.edu\/\">The Chandra X-Ray Observatory<\/a><br \/>\n<a href=\"http:\/\/chandra.harvard.edu\/about\/telescope_system.html\">Chandra&#8217;s Mirror<\/a><\/p>\n<h2><span style=\"color: #800080;font-family: 'Droid Sans', Arial, 'sans serif';font-size: 18px\">Stellar Spectra and the HR Diagram<\/span><\/h2>\n<p><a href=\"http:\/\/heavy.com\/news\/2014\/12\/annie-jump-cannon-astronomer-google-doodle\/\" target=\"new\">Google page about Annie Cannon<\/a>, including link to BBC radio story on the&#8221;Harvard Computers&#8221;<br \/>\n<a href=\"http:\/\/ircamera.as.arizona.edu\/astr_250\/Lectures\/Lecture_14.htm\">Spectra &amp; the HR Diagram<\/a><br \/>\n<a href=\"http:\/\/www.astro.rug.nl\/~etolstoy\/chile\/etolstoy2.pdf\">A Primer on Stellar Spectra<\/a><br \/>\n<a href=\"http:\/\/spiff.rit.edu\/classes\/phys301\/lectures\/comp\/comp.html\">Terrific website explaining stellar spectra<\/a><br \/>\n<a href=\"http:\/\/sites.williams.edu\/kkwitter\/files\/2014\/09\/spcl.jpg\" target=\"new\">Spectral Classification slide from class<\/a><br \/>\n<a href=\"http:\/\/casswww.ucsd.edu\/archive\/public\/tutorial\/HR.html\">HR Diagram<\/a><\/p>\n<h2><span style=\"color: #800080;font-family: 'Droid Sans', Arial, 'sans serif';font-size: 18px\">Magnitudes, Colors &amp; Distances<\/span><\/h2>\n<p><a href=\"http:\/\/docs.kde.org\/development\/en\/kdeedu\/kstars\/ai-colorandtemp.html\">Star Colors<\/a><br \/>\n<a href=\"http:\/\/www.skyandtelescope.com\/astronomy-resources\/the-stellar-magnitude-system\/\" target=\"new\">Magnitudes<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/selected_ans+expl\/Transverse_Velocity_Derivation.pdf\">Transverse Velocity Derivation<\/a><br \/>\n<a href=\"http:\/\/hypnagogic.net\/sim\/#ProperMotion\" target=\"new\">Proper Motion &amp; More&#8230;<\/a><br \/>\n<a href=\"http:\/\/hypnagogic.net\/sim\/Sim\/new-parallax\/Parallax.html\" target=\"new\">Parallax applet<\/a><br \/>\n<a href=\"http:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/f\/ff\/Nearby_Stars_(14ly_Radius).svg\/600px-Nearby_Stars_(14ly_Radius).svg.png\">Nearby Stars<\/a><\/p>\n<h2><span style=\"color: #800080;font-family: 'Droid Sans', Arial, 'sans serif';font-size: 18px\">Physical Principles<\/span><\/h2>\n<p><a href=\"http:\/\/spiff.rit.edu\/classes\/phys440\/lectures\/saha\/saha.html\" target=\"_new\">The Saha Equation<\/a><br \/>\n<a href=\"http:\/\/spiff.rit.edu\/classes\/phys440\/lectures\/boltz\/boltz.html\" target=\"new\">The Boltzmann Equation<\/a><br \/>\n<a href=\"http:\/\/www.chm.davidson.edu\/vce\/kineticmoleculartheory\/Maxwell.html\" target=\"_new\">Maxwell-Boltzmann distribution demo<\/a><br \/>\n<a href=\"http:\/\/spiff.rit.edu\/classes\/phys440\/lectures\/lines\/lines.html\" target=\"_new\">The shapes of spectral lines<\/a><br \/>\n<a href=\"http:\/\/sites.williams.edu\/kkwitter\/files\/2012\/06\/FWHM.png\" target=\"_blank\" rel=\"noopener\">FWHM illustration<\/a>\u00a0<em>(from http:\/\/www.svi.nl)<\/em><br \/>\n<a href=\"http:\/\/www.ph.surrey.ac.uk\/astrophysics\/files\/spectroscopy.html#shape\" target=\"_blank\" rel=\"noopener\">More on the shapes of spectral lines<\/a><br \/>\nThe Rutherford Experiment:<br \/>\n<a href=\"http:\/\/www.phys.virginia.edu\/classes\/252\/Rutherford_Scattering\/Rutherford_Scattering.html\" target=\"_blank\" rel=\"noopener\"><i>description<\/i><\/a><br \/>\n<a href=\"http:\/\/Galileo.phys.Virginia.EDU\/classes\/109N\/more_stuff\/Applets\/rutherford\/rutherford2.html\" target=\"_blank\" rel=\"noopener\"><i>plum-pudding model<\/i><\/a><br \/>\n<a href=\"http:\/\/Galileo.phys.Virginia.EDU\/classes\/109N\/more_stuff\/Applets\/rutherford\/rutherford.html\" target=\"_blank\" rel=\"noopener\"><i>nuclear model<\/i><\/a><br \/>\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Hydrogen_spectral_series\" target=\"_blank\" rel=\"noopener\">Hydrogen line series<\/a><br \/>\n<a href=\"http:\/\/www.walter-fendt.de\/ph6en\/bohrmodel_en.htm\" target=\"_blank\" rel=\"noopener\">The Bohr Model<\/a><br \/>\n<a href=\"http:\/\/lectureonline.cl.msu.edu\/~mmp\/applist\/blackbody\/black.htm\" target=\"_blank\" rel=\"noopener\">Blackbodies<\/a><br \/>\n<a href=\"https:\/\/www.e-education.psu.edu\/astro801\/content\/l3_p6.html\" target=\"_blank\" rel=\"noopener\">Kirchhoff&#8217;s Laws<\/a><br \/>\n<a href=\"http:\/\/lectureonline.cl.msu.edu\/~mmp\/applist\/doppler\/d.htm\" target=\"_blank\" rel=\"noopener\">The Doppler Effect<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/doppler.au\" target=\"_blank\" rel=\"noopener\">Doppler effect in 30 mph Volvo<\/a>\u00a0<em>(from Exploratorium)<\/em><br \/>\n<a href=\"http:\/\/lectureonline.cl.msu.edu\/~mmp\/kap24\/polarizers\/Polarizer.1.htm\" target=\"_blank\" rel=\"noopener\">Polarization demo<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/transmit.jpg\" target=\"_blank\" rel=\"noopener\">Atmospheric Opacity<\/a> <i>(from JPL)<\/i><br \/>\n<a href=\"http:\/\/www.rebeccapaton.net\/rainbows\/rnbwbmp.gif\" target=\"_blank\" rel=\"noopener\">Dispersion <\/a><br \/>\n<a href=\"http:\/\/www.lon-capa.org\/~mmp\/kap13\/cd372.htm\" target=\"_blank\" rel=\"noopener\">Reflection, Refraction, Diffraction<\/a><br \/>\n<a href=\"http:\/\/www.animations.physics.unsw.edu.au\/jw\/waves_superposition_reflection.htm#superposition\" target=\"_blank\" rel=\"noopener\">Superposition<\/a><br \/>\n<a href=\"http:\/\/www.caseyrule.com\/projects\/piano\/\" target=\"new\">Piano metaphor<\/a><br \/>\n<a href=\"http:\/\/www.acs.psu.edu\/drussell\/demos\/waves\/wavemotion.html\" target=\"_blank\" rel=\"noopener\">Transverse and Longitudinal Waves<\/a><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/ems.jpg\" target=\"_blank\" rel=\"noopener\">Electromagnetic Spectrum<\/a>\u00a0<em>(from Kirkwood Schools)<\/em><br \/>\n<a href=\"http:\/\/www.williams.edu\/Astronomy\/Course-Pages\/nomore111\/Images\/spectrum.png\" target=\"_blank\" rel=\"noopener\">Wavelengths and Colors<\/a>\u00a0<em>(from Wikipedia)<\/em><\/p>\n<hr \/>\n<h3><span style=\"color: #800080\">Interesting Astronomica<\/span><\/h3>\n<p><a href=\"https:\/\/legacy.cnx.org\/content\/col11992\/latest\" target=\"new\">New! Openstax Astronomy text<\/a><br \/>\n<a href=\"http:\/\/www.teachastronomy.com\" target=\"new\">General astronomy resource for college astronomy students<\/a> <span style=\"color: #000000\"><br \/>\n<a href=\"http:\/\/www.nhn.ou.edu\/~jeffery\/astro\/moon\/moon_lunar_phases_animation.shtml\">Here<\/a>\u00a0is a\u00a0<strong>fabulous<\/strong>\u00a0animation of the entire lunar phase cycle. Check it out!<\/span><br \/>\n<a href=\"http:\/\/nobelprize.org\/educational_games\/physics\/star_stories\/\" target=\"_blank\" rel=\"noopener\">&#8220;Star Stories&#8221;<\/a>\u00a0website from the Nobel Prize organization<br \/>\n<a href=\"http:\/\/antwrp.gsfc.nasa.gov\/apod\/\">Astronomy Picture of the Day<\/a><br \/>\n<a href=\"http:\/\/heritage.stsci.edu\/\">Latest Images from the Hubble Space Telescope<\/a><\/p>\n<hr \/>\n<p>You are visitor number:<br \/>\n<!-- Start of SimpleHitCounter Code --><\/p>\n<div align=\"center\"><a href=\"http:\/\/www.simplehitcounter.com\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/simplehitcounter.com\/hit.php?uid=2187177&amp;f=65280&amp;b=0\" alt=\"web counter\" width=\"83\" height=\"18\" border=\"0\" \/><\/a><br \/>\n<a style=\"text-decoration: none\" href=\"http:\/\/www.simplehitcounter.com\" target=\"_blank\" rel=\"noopener\">web counter<\/a><\/div>\n<p><!-- End of SimpleHitCounter Code --><\/p>\n<p>Back to <a href=\"http:\/\/sites.williams.edu\/kkwitter\/astronomy-111-syllabus-f17\/\">Syllabus<\/a><br \/>\nBack to <a href=\"http:\/\/sites.williams.edu\/kkwitter\/course-web-pages\/astronomy-111\/assignments-announcements\/\">Assignments &amp; Announcements<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOTE: Some of the applets linked here require java to run on your computer. There are well-known security issues with Java and many operating systems block Java applets, which you may or may not be able to override. All links worked as of 7\/28\/17. Course topics start from the bottom of the page. last updated [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":0,"parent":16,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1423","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/pages\/1423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/users\/198"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/comments?post=1423"}],"version-history":[{"count":195,"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/pages\/1423\/revisions"}],"predecessor-version":[{"id":1514,"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/pages\/1423\/revisions\/1514"}],"up":[{"embeddable":true,"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/pages\/16"}],"wp:attachment":[{"href":"https:\/\/sites.williams.edu\/kkwitter\/wp-json\/wp\/v2\/media?parent=1423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}