Philip Greenspun illustration project/Round 1/Request list/12

Philip Greenspun illustration project
(Outreach) (Translation) Discussion Background How it works Get involved Examples References Mailing list
For illustrators
Payment Image guidelines Community HOWTO
Make a request
Round 1
Request list

• JIRA: https://jira.toolserver.org/browse/PGIP-38
• US$40

(en) retrograde motion animation

• http://en.wikipedia.org/wiki/Retrograde_and_direct_motion
• Animation of the retrograde motion of a planet (Mars would be best) as seen from the Earth, preferably with the constellations included for reference.
• One example: http://www.lasalle.edu/~smithsc/Astronomy/images/marsmovie.gif
• tags: astronomy