1.   Surveying X-ray emissions, the Rosat spacecraft found several undetected galaxy clusters in the gravitational realm of one supercluster in the northern sky.

2.   Surveying X-ray emissions, the Rosat spacecraft found several previously undetected galaxy clusters in the gravitational realm of one supercluster in the northern sky.

3.   The Galileo spacecraft has found considerable evidence that beneath the ice surface of Europa lies a deep ocean warmed by internal heat and a possible haven for simple life.

4.   The plucky spacecraft has already found hydrogen, the major component of water, at the lunar poles.

5.   The spacecraft also found evidence that Ganymede is generating its own magnetic field, common for large planets but never before detected around a moon.

6.   Spacecraft finds evidence of vast quantities of ice on Mars.