January 20th in Astronomy and Space Science
![]() | 1930 | American astronaut Edwin "Buzz" Aldrin born. He became the second person to set foot on the Moon on July 20, 1969. |
![]() | 1986 | Voyager mission scientist Rich Terrile discovers Cordelia and Ophelia, moons of Uranus, in images returned from the Voyager 2 spacecraft. |