Jupiter's moons
What is the name for "scientists who study the possibility of life in space?
Astrobiologists
How many of Jupiter's moons are referred to as "Galilean moons"?
4
According to the video, how many confirmed moons does Jupiter have? (To day, NASA says there are now 79 moons)
67
The second biggest of Jupiter's moons is ________
Callisto
Ganymede is mostly rock and ice, but it probably has a liquid ______ core.
Iron
When a moon orbits the planet backwards relative to the others, it's called a __________ orbit.
Retrograde
In what year did Galileo discover moons orbiting Jupiter?
1610
The biggest of Jupiter's moons is _________
Ganymede
The distance from a star where liquid water can exist on a planet is called the __________
Habitable zone
The surface of Callisto is mostly _____
Ice
Which moon is the most volcanic object in the entire solar system?
Io
Which moon is the smallest of the Galilean moons?
Europa
Which moon likely has everything it needs to spawn life?
Europa
The interiors of Ganymede, Io and Europa are kept warm by ________
Tidal flexing
