83

Published April 13, 2013 at 1600 × 1016 in 4/7 – 4/15 (Chap 12 – Chapter 13)

THe true reason (using Kepler’s system) why Mar’s appears to have retrograde motion.

Leave a Reply

Fill in your details below or click an icon to log in:

Gravatar
WordPress.com Logo

You are commenting using your WordPress.com account. ( Log Out /  Change )

Google photo

You are commenting using your Google account. ( Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. ( Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. ( Log Out /  Change )

Cancel

Connecting to %s