Mercury: The Swift Planet

Which planet is known for its rapid orbit around the sun, completing it in just 88 Earth days?

• Venus

• Mars

• Mercury

• Jupiter

Why does Mercury have no moons?

• Its gravity is too weak to hold a moon.

• It is too close to the sun's gravity.

• It is too far from the sun.

• It has too many craters.

What is the name of Mercury's thin atmosphere?

• Mesosphere

• Troposphere

• Exosphere

• Stratosphere

What is the name of the colossal crater on Mercury?

• Valles Marineris

• Caloris Basin

• Hellas Planitia

• Tycho Crater

What is unusual about Mercury's magnetic field?

• It is stronger than Earth's.

• It is completely absent.

• It suggests a partially molten core.

• It is caused by its atmosphere.