Basics
The third planet from the sun?
Earth
Heavily cratered
This planet is less dense than water
Saturn
How many moons do Mercury and Venus have? How many does Mars have?
Mercury - 0
Venus - 0
Mars - 2
Which planet is the biggest?
Jupiter
The first planet from the sun?
Mercury
Which of the Terrestrial planets is the hottest? Why?
Venus, it has a thick atmosphere
This planet has the strongest winds in the solar system
Neptune
How many moons does Saturn have?
Saturn - 146
Which planet is known to be Earth's "twin"?
Venus
The sixth planet from the sun
Saturn
What causes the great temperature differences between night and day on Mercury?
the lack of atmosphere
What is the Great Red Spot and which planet does it belong to?
A storm on Jupiter that has existed since the 1600s
Which moon is the most volcanically active place in the solar system?
Io
The moons Ganymede, Callisto, Io, and Europa belong to which planet? How many total moons does this planet have?
Jupiter
80-95
Which planet(s) have retrograde rotation?
Venus, Uranus
Which planet has polar ice caps and what are they made out of?
Mars, frozen carbon dioxide and frozen water.
What is the name of Neptune's moon? What is special about it?
Triton, it orbits in the opposite direction of Neptune.
Which of Jupiter's moons has liquid water?
Europa
Why are Uranus and Neptune blue? Be specific.
atmospheric methane
Which planet(s) have prograde rotation?
Earth
Describe the atmosphere on Mars and what is it composed of?
What are the names of two of Saturn's moons? Name a fact about each of them.
Titan - larger than Mercury
Enceladus - has saltwater oceans
Which of Jupiter's moons is larger than Mercury?
Ganymede
Which planet has volcanic activity and rains sulfuric acid?
Venus