View of the Universe
The Sun
Planets
Comets, Meteors, and Asteroids
100
The model of the universe that has the Earth at the center.
What is the Geocentric Model?
100
It takes energy from the Sun's core this many years to pass through the radiation zone.
What is about 100,000.
100
The planet furthest from the Sun.
What is Neptune
100
A comet only has this part when it is close to a Star.
What is a tail?
200
The Greek astronomer who proposed the Geocentric Model of the solar system.
Who is Ptolemy?
200
The layer of the sun which produces the visible light.
What is the Photosphere?
200
This very small planet has two sides - one that is incredibly hot and one which is incredibly cold.
What is Mercury
200
They are comprised of dust, rocks, and ice.
What are comets made of?
300
A funny looking, Greek scientist who initially proposed the Heliocentric Model using mathematic calculations.
Who is Nicolaus Copernicus?
300
The process in the Sun's core which produces huge amounts of heat, light, and energy.
What is Nuclear Fusion
300
A thick band of Asteroids separates these two planets.
What are Mars and Jupiter
300
A piece of rock that is streaking through our atmosphere.
What is a meteor?
400
Brahe and Kepler discovered that planets do not move in a circle around the sun but in this shape.
What is an ellipse?
400
The two layers of the Sun's atmosphere which are normally invisible.
What are the Chromosphere and the Corona?
400
This planet rotates on its axis North to South instead of West to East.
What is Uranus.
400
A rock that is too small to be considered a planet.
What is an Asteroid?
500
The object Galileo observed to provide further evidence of the Heliocentric Model.
What are Jupiter's Moons?
500
Hydrogen is fusing into this inside the Sun's core
What is Helium
500
The planet which has the most moons.
What is Jupiter
500
Whether a rock is a meteor, meteorite, or meteoroid is determined by this.
What is it's location?
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