100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone

[Admin]

A century ago, humans didn't know other galaxies existed. Here's how Edwin Hubble changed that view.

100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone : Read more

 

[firewalker114]

Another great scientist enjoying a pipe. Einstein was also a well-known pipe smoker. Always enjoy reading about the pioneers of space exploration in articles like this.