Categories

Come on in! Join Pinterest today...it only takes like a second or so.

More like this: nova, plates and stars.
Visit Site
Mona Evans
Mona Evans • 39 weeks ago

A copy of Edwin Hubble's 4-by-5-inch glass plate of M31, which he took with the 100-inch telescope on Mount Wilson. He marked three stars N, thinking they were novae — but later realized that one was a Cepheid variable. (Credit: NASA / ESA / Hubble Heritage Team)

Also on these boards

Related Pins