November 11th in Astronomy and Space Science
![]() | 1572 | Danish astronomer Tycho Brahe makes his first observations of a supernova in the constellation Cassiopeia later referred to as "Tycho's Star". It was first discovered by Chinese astronomers 5 days earlier. |
![]() | 1963 | USSR makes a secret launch attempt of the Cosmos 21 Venus probe. It fails to leave Earth orbit. |
![]() | 1966 | US launches the Gemini 12 Earth orbit mission carrying astronauts Jim Lovell and Edwin "Buzz" Aldrin. |