logo

Video encyclopedia

30/12/1924 We are not alone

4:16

Hubble's Expanding Universe Red Shifts The Big Bang

5:44

Our Universe Has Trillions of Galaxies, Hubble Study | Video

25:04

How Large is the Universe?

Edwin Hubble used Henrietta Swan Leavittt's formula to calculate how far Andromeda was. He found out that it is approximately 860,000 light years away. That's more than eight times the distance to the farthest stars in the Milky Way. This proved that the nebulae are separate star systems and that our galaxy is not the whole universe.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!
    • Essentials 

    • Personal 

    • Biography 

    • Discoveries 

    • Accusations concerning Lemaître's priority 

    • Nobel Prize 

    • Stamp 

    • In popular culture