belaUniverse Today2 months ago55 Views
How do you tell how old an astronomical object is? I mean, the next time the Moon is in the sky, take a look at it. How would you even begin to answer that question?
0 Votes: 0 Upvotes, 0 Downvotes (0 Points)
You must be logged in to post a comment.
Universe Today11 hours ago
Universe Today13 hours ago
nasa2 months ago
nasa10 months ago
space.com10 months ago
nasa9 months ago
Astrobiology10 months ago
WeHeadedToMars1 hour ago
phys.org4 hours ago
phys.org7 hours ago
Signing-in 3 seconds...
Signing-up 3 seconds...
Not a member? Sign Up.
Have an account? Sign In.