Planets
This is the smallest planet.
Mercury
This is the term for the distance from Earth to the Sun (93,000 million miles).
Astronomical Unit
What is the area between Mars and Jupiter that contains "left over space junk?"
The Asteroid Belt
What country was the first to sent on object into space?
U.S.S.R.
This is the hottest planet.
Venus
This is the largest planet.
Jupiter
The Earth rotates on its axis once every...
24 hours
This is the icy bubble that surrounds our Solar System.
The Oort Clud
What was the first object in space?
Sputnik I
This planet is the only planet that supports life.
Earth
This planet rotates sideways (North to South).
Uranus
How many days does it take Earth to orbit the sun?
365.25 days
This is the belt of icy, rocky debris past Neptune.
The Kuiper Belt
Who was the first man in space?
Yuri Gagarin
This planet is named after the God of War.
Mars
This planet has 67 moons, The Big Red Storm, and Ganymede.
Jupiter
What planet takes the shortest time to orbit the sun?
Mercury
What we call shooting stars are actually what?
Meteors
Who was the first American in space?
Alan Shepard
This planet per cubic centimeter is lighter than water, it could float...
Saturn
This planet's day is longer than it's night.
Venus
This planet takes the longest time to orbit the sun.
Neptune
What is the scientific theory of how the Solar System was formed called ?
The Big Bang Theory
Who were the first two people on the moon?
Neil Armstrong and Buzz Aldrin
Why is Venus the hottest planet?
The atmosphere holds heat.