April 25th in Astronomy and Space Science
1848 | Asteroid 9 Metis is discovered by Irish astronomer Andrew Graham. | |
1983 | Pioneer 10 becomes the first spacecraft to reach a distance from the Sun greater than the planet Pluto. | |
1990 | The Hubble Space Telescope is deployed from the space shuttle Discovery. The deployment is filmed with a special IMAX camera from the cargo bay. |