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Asronomy
Astronomy
16
Science
9th Grade
03/22/2011

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Cards

Term
Astronomy
Definition
the study of outer space
Term
Universe
Definition
all existing matter
Term
Outer Space
Definition
anything beyond the earth's atmosphere
Term
Galaxy
Definition
a large group of stars with dust and gas in the universe
Term
Constellations
Definition
a small group of stars that take a certain shape
Term
Star System
Definition
a number of planets, satellites, asteroids, and comets controlled by the gravitational pull of a star
Term
Planets
Definition
large soild or gaseous bodies revolving around a star
Term
Satellites
Definition
smaller solid bodies revolve around a planet
Term
Geocentric Universe
Definition
earth is at the center of the universe
Term
Heliocentric Universe
Definition
the sun is at the center of the universe
Term
Shape of Earth - Oblate Sphere
Definition
caused by rotation of Earth
Term
Winter
Definition
Dec. 20 or 21
Term
Spring
Definition
March 20 or 21
Term
Summer
Definition
June 20 or 21
Term
Fall
Definition
Sept. 22 or 23
Term
Planets
Definition
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
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