Earth
Probing the Universe
Galaxies
The Planets
Miscellaneous
100
A day
What is one complete rotation of the earth?
100
A telescope
What is an instrument that makes solar objects appear closer?
100
A group of stars, planets, gases, and dust clouds
What is a galaxy?
100
Mercury
What is the planet closest to the sun?
100
Several clusters together
What is a super cluster?
200
A year
What is one rotation of the earth around the sun?
200
A reflecting telescope
What kind of telescope is made up of mirrors?
200
The Milky Way
What is our Galaxy called?
200
Jupiter
What is the largest planet?
200
The tides
What is one way the moon affects the earth?
300
When the moon comes between the earth and the sun
What is a solar eclipse?
300
The distance it takes light to travel in one year
What is a light-year?
300
Spiral, Elliptical, Irregular
What are the three main shapes of the galaxies?
300
Saturn
What is the planet known for its rings?
300
Galileo
Who was the person who first believed the earth revolved aroung the sun?
400
When the earth comes between the sun and the moon
What is a lunar eclipse?
400
Astronomy
What is the study of matter and energy in the universe?
400
Gravity
What is the force that holds Galaxies together?
400
Jupiter
What is planet with a big red spot?
400
The Milky Way
What our galaxy called?
500
The tilt of the earth
What causes the seasons?
500
A satellite
What is an object that travels around a larger object in space?
500
The distance from the sun to the earth
What is an astronomical unit?
500
Neptune
What is the eighth planet from the sun?
500
The Universe
What makes up all matter and energy in existence?
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