Thread: Planet made of diamonds discovered
View Single Post
Old 08-26-2011, 06:13 PM   #6
愛
Super Moderator
 
Join Date: Jan 2004
Posts: 7,449
Quote:
Originally Posted by Jester View Post
Can I ask a weird question: How do we know the density of the planet with just photographs?
Velocity, gravitational pull, orbital path, etc.

Anyway, this is pretty sweet. I love space.
愛 is offline   Reply With Quote