1 janv. 1924 - Edwin Hubble
Description:
Hubble Reveals We Are Not Alone. 1924: Astronomer Edwin Hubble announces that the spiral nebula Andromeda is actually a galaxy and that the Milky Way is just one of many galaxies in the universe. (He made and used the hubble telescope)Ajouté au bande de temps:
Date:
1 janv. 1924
Maintenaint
~ Il y a 100 ans
