Terrestrial Planet (Part A)

What do you call to the four small, dense, rocky planets that orbit closest to the sun?

• Gas Giant Planets

• Terrestrial Planets

• Quadro Planets

What does AU stands for?

• Astronomical Union

• Astronomical Uniform

• Astronomical Unit

The planet closest to the sun.

• Mercury

• Earth

• Venus

When did Mariner 10 spacecraft flew to Mercury?

• 1976

• 1975

• 1974

Has been often called as the "Earth's twin".

• Mercury

• Venus

• Mars

Venus and Earth are similar when it comes to rotation.

• True

• False

• I have no idea

Is the counterclockwise spin of a planet about its axis as seen from above the planet’s north pole.

• Prograde rotation

• Retrograde rotation

• Monograde rotation

Is the clockwise spin of a planet about its axis as seen from above its north pole.

• Monograde rotation

• Retrograde rotation

• Prograde rotation

Planet that has the slowest period of rotation in the solar system.

• Mercury

• Venus

• Earth

Gula Mons Volcano can be found in what planet?

• Mars

• Venus

• Mercury