Size and structure in the universe

The size of things:

http://htwins.net/scale2/

http://www.rense.com/general72/size.htm

http://scaleofuniverse.com/

http://xkcd.com/482/



Epicycles:

http://astro.unl.edu/naap/ssm/animations/ptolemaic.swf

http://physics.syr.edu/courses/java/demos/kennett/Epicycle/Epicycle.html

http://www.jgiesen.de/geocentric/index.html


Copernican vs. Tychonic worldviews:

http://www.stumbleupon.com/su/2jRGYC/dd.dynamicdiagrams.com/wp-content/uploads/2011/01/orrery_2006.swf/


Cool:




http://www.physics.buffalo.edu/gonsalves/ComPhys/Chapter4/oct8.html

http://www.pas.rochester.edu/~blackman/ast104/newtonkepler.html

http://einstein.stanford.edu/Media/Newtons_Universe_Anima-Flash.html

http://www.physics.purdue.edu/class/applets/phe/keplerlaw1.htm

http://www.physics.purdue.edu/class/applets/phe/keplerlaw2.htm

http://www.cuug.ab.ca/kmcclary/goodjar/image.html

Fun with gravitation:

http://arachnoid.com/gravitation/

http://arachnoid.com/gravitation/small.html




http://www.solarsystemscope.com/

http://arachnoid.com/gravitation/index.html


Kepler's Laws:

http://www.physics.sjsu.edu/tomley/Kepler12.html

http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=9.msg55#msg55

http://www.sunsite.ubc.ca/LivingMathematics/V001N01/UBCExamples/Kepler/kepler.html

http://astro.unl.edu/classaction/animations/renaissance/kepler.html

http://physics.syr.edu/courses/java/mc_html/kepler_frame.html

http://www.physics.sjsu.edu/tomley/Kepler12.html

http://www.walter-fendt.de/ph14e/keplerlaw1.htm

http://www.walter-fendt.de/ph14e/keplerlaw1.htm




Newton and Universal Gravitation:

http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/kepler6.htm


http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/

http://www.youtube.com/watch?v=0fKBhvDjuy0

http://www.atlasoftheuniverse.com/

http://sunshine.chpc.utah.edu/labs/cosmic_zoom/cosmic_zoom2.swf

http://physics.weber.edu/schroeder/software/zoomer.html

http://htwins.net/scale2/
WAY COOL

Again, worth seeing:

http://www.essex1.com/people/speer/model.html

http://rense.com/general72/size.htm