Astronomy Planets Quiz

Similar to our moon. Heavily cratered, very similar in size, mass, and density, very little atmosphere.

• Mercury

• Venus

• Jupiter

• Saturn

Rotates 59 days and orbits the sun every 88 days (2 years for every 3 days)

• Mercury

• Venus

• Mars

• Neptune

Smallest planet in the solar system

• Mercury

• Mars

• Uranus

• Neptune

Earth's sister planet.

Similar in size, mass and density

• Mercury

• Venus

• Mars

• Neptune

Covered in thick layer of clouds which prevents us from seeing the surface but reflects light making it bright in the night sky when viewed from earth

• Mercury

• Venus

• Jupiter

• Neptune

Has clouds made of sulfuric acid and has 90 times the Earth's atmospheric pressure

• Mercury

• Venus

• Mars

• Saturn

Has longer days than years (long rotation compared to revolution)

• Mercury

• Venus

• Earth

• Jupiter

Surface covered by 75% water and 25% land

• Jupiter

• Venus

• Earth

• Uranus

Only planet to have oceans of liquid water

• Mercury

• Earth

• Neptune

• Uranus

Only place life has been discovered in the solar system

• Mercury

• Mars

• Jupiter

• Earth