Astronomy
Flashcard
•
Social Studies
•
9th Grade
•
Hard
Wayground Content
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27 questions
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1.
FLASHCARD QUESTION
Front
What theory states that at one time, the entire universe was confined to a dense, hot, super mass ball?
Back
Big Bang Theory
2.
FLASHCARD QUESTION
Front
Galaxies are __________ from where the Big Bang occurred.
Back
Expanding
3.
FLASHCARD QUESTION
Front
Who discovered three (3) laws of planetary motion?
Back
Kepler
4.
FLASHCARD QUESTION
Front
What does the first law of Kepler state?
Back
The orbits of the planets are ellipses, with the sun at one focus.
5.
FLASHCARD QUESTION
Front
What does the second law of Kepler state?
Back
The line joining the planet to the Sun sweeps out in equal areas in equal time as the planets travels around the ellipse.
6.
FLASHCARD QUESTION
Front
What Galaxy does Earth reside in?
Back
Milky Way Galaxy
7.
FLASHCARD QUESTION
Front
________ is the turning or spinning of a body on its axis.
Back
Rotation
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