Astrophysics 4

When mass of a planet increases, gravity _________.

• increases

• decreases

When size of a planet increases, gravity on the surface ___________.

• increases

• decreases

What are the two biggest planets?

• Jupiter and Saturn

• Uranus and Neptune

Which planet is a similar size to Earth?

• Venus

• Mars

What are the two blue planets?

• Jupiter and Saturn

• Uranus and Neptune

If Neptune gained more mass, it could have become a ______.

• star

• black hole

Which planet wins the beauty contest?

• Earth

• Jupiter

Which planets are the gas giants?

• Jupiter and Saturn

• Uranus and Neptune

Which planets are the ice giants?

• Jupiter and Saturn

• Uranus and Neptune

Which are the four terrestrial planets?

• Mercury, Venus, Earth, Mars

• Mercury, Venus, Pluto, Ceres

• Earth, Mars, Pluto, Ceres