It is important to remember that as we look farther into space, the farther back into time we look. The light year doesn't just tell us how far away something is, but how long ago it was when the light left the object. When we see M31 we see it as it was 2 million years ago.

@evilscientistca Nice picture! With a little photobombing by Messiers 32 and 110!

Sign in to participate in the conversation

The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!