January 23, 2013
With So Many Stars, Why Does It Get Dark?
Hank Campbell, Science 2.0
In a comment on You, Andromeda, And The Largest Structure In The Universe, Mike Crow posted a picture of Andromeda, made from 40 hours of his exposure, 5 minutes at time, in his driveway.
TAGGED: night, Stars, cosmic microwave background radiation