The Moons
Inner Planets
Outer Planets
Stars
Who Knows
100
The Moon is covered in these on it's surface.
What are craters?
100
This is the hottest planet in the solar system.
What is Mercury?
100
The outer planets are mainly this.
What is gaseous?
100
This occurs when Earth's moon gets between Earth and the Sun.
What are Solar Eclipses?
100
The asteroid belt is found between these two planets.
What are Mars and Jupiter?
200
This is the largest known moon in the solar system.
What is Ganymede?
200
This is the inner planet that has the most water on it's surface.
What is Earth?
200
These planets in our solar system all have rings.
What are Jupiter, Saturn, Uranus, and Neptune?
200
The name of the star we orbit.
What is The Sun?
200
The age of this is thought to be 4.6 billion years.
What is the solar system?
300
This occurs when Earth's moon gets directly behind Earth's dark side.
What are Lunar Eclipses?
300
This is known as the smallest planet.
What is Mercury?
300
What was the only outer planet not to be named after a Roman god?
What is Uranus?
300
This is the second closest star to Earth.
What is Alpha Centauri A
300
Ice, gas, and rock are found in this object.
What are comets?
400
This planet has the most known moons.
What is Jupiter?
400
This planet is closest to earth in size.
What is Venus
400
This was the first planet discovered mathematically.
What is Uranus?
400
Stars live about this long.
What is about 10 billion years?
400
This country sent the first human into space.
What is Russia?
500
Our moon is among the seven known moons that are bigger than this.
What is Pluto?
500
This planet is the only one confirmed to be inhabited.
What is Earth?
500
This planet is known to have a big red storm on it.
What is Jupiter
500
Stars are mostly this
What is hydrogen and helium?
500
This is the cost for NASA to send a person into space.
What is $450 million
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