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Gr 6 Astronomy
Terms in this set (12)
What does geocentric mean?
What does heliocentric mean?
What is an ellipse?
What is the Doppler Effect?
A shift in the frequency of light or sound waves. (red shift is stretched blue shift is smushed)
What is a red shift and what does it mean?
When light waves are stretched out.......The object is going away from you.
What is cosmic background radiation?
The left over energy from the Big Bang.
Which astronomer came up with the incorrect geocentric theory?
Which astronomer came up with the idea of a heliocentric system?
Which astronomer created the 3 laws of Planetary Motion?
Which astronomer created the laws of gravity and motion?
Who was the first astronomer to use a telescope and was imprisoned for his ideas?
Which astronomer used the largest telescope in the world to find that galaxies are actually racing away from each other. The farther away the galaxy, the faster it moves.
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