Europa Basics
Europa orbits this giant planet.
What is Jupiter?
This astronomer discovered Europa in 1610.
Who is Galileo Galilei?
The universe began with this event.
What is the Big Bang?
Europa's surface is mainly made of this substance.
What is ice?
Scientists hope Europa may contain this.
What is life?
Europa belongs to this category of celestial object.
What is a moon?
Galileo used this invention to discover Europa.
What is a telescope?
This leftover radiation came from the early universe.
What is the cosmic microwave radiation?
Europa is about this many AU from Earth on average.
What is 5.2 AU?
Scientists still do not know how thick this frozen layer is.
What is Europa's ice crust?
IO, Europa, Ganymede, and Callisto are often known as these moons.
What are the Galilean moons?
What is the 17th century?
Stars create heavier elements through this process.
What is nuclear fusion?
Europa's surface can reach this freezing temperature.
What is about -220oC?
These underwater features may exist on Europa's ocean floor.
What are hydrothermal vents?
Scientists believe Europa hides this beneath its icy surface.
What is a liquid ocean?
Compared to Ganymede, Europa does it in half the time.
What is the orbit of Jupiter once?
This force helped form Europa and Jupiter.
What is gravity?
This spacecraft took detailed photos of Europa.
What is the Galileo Spacecraft?
This spacecraft currently studies Jupiter, and it's moons.
What is the Juno Spacecraft?
Europa is also known by this alternate name.
What is Jupiter II?
This NASA mission is studying whether Europa could support life.
What is the Europa Clipper?
Massive exploding stars are called this.
What is a supernova?
Scientists think this type of ocean exists beneath Europa's surface.
What is a salty ocean?
This spacecraft did the first flyby of Europa.
What is Pioneer 10?