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Outer Space
Aubreys Leson 3-1 vocab
11
Science
6th Grade
03/13/2006

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Cards

Term
galaxy
Definition
a system of billions of stars gases and dust
Term
quasars
Definition
brilliant objects in space that may be the powerhouse of devleoping
Term
nebula
Definition
cloud of gas and dust in space
Term
red giant
Definition
a star that has swelled and glows with a red color
Term
supernova
Definition
the explosion of a star releasing huge amounts of light and other energy
Term
black hole
Definition
an invisabal object in space whose mass and gravitional force is so great that not even light can excape
Term
big bang theory
Definition
the idea that the universe had a huge explosion about 15 billon years ago
Term
red shift
Definition
the change of light waves from retreating objects to the red end of the spectrum
Term
equinox
Definition
a point in earths orbit around the sun where night and days are the same langth
Term
luner eclipse
Definition
a darkening of the moon when it passes throught earths shadow
Term
tides
Definition
the rise and fall in the ocean and seas caused mainly by the gravitational pull of the moon on earth
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