Galileo Stories


Io Volcano Observer: Following the Heat and Hunting Clues to Planet Evolution

5 min read

A proposed mission called Io Volcano Observer (IVO) would visit Jupiter’s moon Io, which is a true volcanic wonderland with hundreds of erupting volcanoes gushing tons of molten lava and sulfurous gases at any moment.  Wind the clock back a…

Article3 years ago
illustration of spacecraft at europa with jupiter in background

Old Data Reveal New Evidence of Europa Plumes

5 min read

Scientists re-examining data from an old mission bring new insights to the tantalizing question of whether Jupiter’s moon Europa has the ingredients to support life. The data provide independent evidence that the moon’s subsurface liquid water reservoir may be venting…

Article6 years ago
jupiter and ganymede in space with bright auroras surrounding ganymede

Old Data, New Tricks: Fresh Results from NASA’s Galileo Spacecraft 20 Years On

5 min read

Resurrected data from Galileo’s first flyby of Ganymede is yielding new insights about the moon’s environment — which is unlike any other in the solar system.

Article6 years ago

Europan Tides Might Foster Life, Says UA Member of Galileo Imaging Team

4 min read

Europa, Jupiter's smallest moon, might not only sustain but foster life according to the research of a University of Arizona professor.

Article22 years ago

Galileo Evidence Points to Possible Water World Under Europa’s Icy Crust

4 min read

NASA researchers have the strongest evidence yet that one of Jupiter's most mysterious moons hides an ocean of water underneath its icy coat.

Article24 years ago

NASA’s Galileo Finds ‘Bottle Blonde’ Chemical on Europa

3 min read

Hydrogen peroxide - the chemical that can turn a brunette into an instant blonde - appears on the icy surface of Jupiter's moon Europa, according to a new discovery by NASA's Galileo spacecraft reported in the March 26 edition of…

Article25 years ago
An artist's impression of the Galileo orbiter beginning to burn up in Jupiter's atmosphere. Galileo's 14-year mission to explore the Jovian system ended on 21 Sept. 2003 when the spacecraft was deliberately sent into Jupiter's atmosphere.

Sixty-Five Amazing Galileo Facts

20 min read

The surface gravity on Ganymede is only 15% that of Earth's. A 150 lb. person would only weigh 22.5 lbs. on Ganymede.

Article28 years ago

Galileo’s Finger

2 min read

Galileo Galilei's finger is on display at the Museo di Storia del Scienza in Florence, Italy.

Article28 years ago
Diagram of Galileo's orbital path.

Playing Cosmic Billiards (Or, How to Change a Spacecraft’s Speed and Direction)

3 min read

One of the first things taught in geometry is that the shortest distance between two points is a straight line.

Article30 years ago