In 1997, Galileo mapped a 400-kilometer patch of Europa; a later analysis found ammonia-bearing compounds near fractures in the ice

Recent examinations of historical Galileo data have uncovered ammonia compounds near the surface fractures of Europa. This ...

In 2000, NASA’s Galileo spacecraft mapped Jupiter's moon Io’s volcanoes at temperatures above 1,000°C. 26 years later, the data still reveal one of the solar system’s ...

Discover how NASA's Galileo spacecraft mapped Jupiter's moon Io, revealing volcanic activity that exceeds 1,000°C and uncovering one of the solar system’s most extraordinary geological landscapes.
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Life-friendly molecules are leaking out of Jupiter's giant moon Europa, Galileo images hint

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter's ice-covered moon Europa appears to have life-friendly molecules on its surface. Al Emran, a researcher with NASA's Jet ...
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Europe’s Galileo system gets a major boost as two new satellites enter orbit

Two new satellites have officially entered service within Europe’s Galileo navigation constellation, expanding the system’s capacity and resilience, according to the European Space Agency (ESA). The ...
Aviation Week

The Galileo spacecraft

The Galileo spacecraft missed taking images on its final pass of Jupiter's moon Io on Jan. 17 (AW&ST Jan. 7, p. 61). The spacecraft detected a computer reset and automatically went into a standby mode ...