Jupiter QUIZ

Europa

Name the moon shown here.

Io

Name the moon shown here.

Ganymede

Name the moon shown here (the largest in the Solar System)

Callisto

Name the moon shown here. (The most cratered moon.)

True (over twice their combined mass!)

T or F: Jupiter is heavier than the other 7 planets combined.

False (Jupiter is over 3 x more massive than Saturn)

T or F: Jupiter and Saturn have a similar mass.

False (It's a gas giant.)

T or F: Jupiter is a relatively dense planet.

Layers of a planet spin at different rates.

What does having a differential rotation mean?

False

T or F: Jupiter has a retrograde spin.

Wider at its equator (due to a fast spin)

What makes a planet or star OBLATE?

True!

T or F: The Great Red Spot is larger than EARTH.

Hydrogen and Helium

The atmosphere of Jupiter is mostly which 2 gases?

Liquid

By volume, is Jupiter mostly solid, liquid, or gas?

True

T or F: jupiter has a solid core.

True! (this is called a magnetosphere)

T or F: Jupiter's magnetic field traps particles around it.

False (it has the strongest field of any planet)

T or F: Jupiter has a relatively weak magnetic field.

True

T or F: Jupiter gives off radio signals.

False (Jupiter has powerful auroras)

T or F: Despite having a magnetic field, no auroras have been seen on Jupiter

JUNO

Which spacecraft most recently orbited Jupiter?

False (it has 4 LARGE moons, but dozens of others)

T or F: Jupiter has 4 moons.

95

How many moons does Jupiter have? (as of 2025)

False (Saturn holds that record).

T or F: Jupiter has the most moons of any planet.

Io

Which Galilean moon has the most active volcanoes?

Ganymede

Which Galilean moon is the largest?

Europa

Which Galilean moon has an ocean under a cracked, icy shell with red stripes?

Callisto

Which Galilean moon is the most cratered?

True!

T or F: Europa may have more water than planet Earth.

Io

Which Galilean moon has a thin atmosphere of sulfur dioxice?

Europa Clipper

What spacecraft, launched in 2024, is on its way to study Europa?

Tidal Stress from its orbit

How is Io so hot despite being a fairly small object?