The space shuttle that launched all three probes you mentioned - Magellan, Galileo, and Compton Gamma Ray Observatory - is Space Shuttle Atlantis.

Here's a breakdown:

* Magellan: Launched on May 4, 1989, by Atlantis on mission STS-30.

* Galileo: Launched on October 18, 1989, by Atlantis on mission STS-34.

* Compton Gamma Ray Observatory (CGRO): Launched on April 5, 1991, by Atlantis on mission STS-37.