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Views of the Universe
GPS S6E1 Unit I Lessons 1-6
15
Science
6th Grade
02/28/2007

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Term
the big bang
Definition
the great explosion that produdced the universe.
Term
the universe
Definition
every thing, stars, familles of stars, soler systems, planets, moons, comets, space rocks, dust, gases, and energy.
Term
nebula
Definition
this gigantic cloud of gases and dust is called a
Term
geocentric theory
Definition
the idea that the objects in the soler system revolve around the earth.
Term
heliocentric theory
Definition
the idea that the sun is the center of the soler system.

this means sun center
Term
light year
Definition
is the distance light travels in a year
Term
mercury
Definition
is the closest planet to the sun temperture there is about430 degrees celcies during the day and about -170 degrees celcies.
Term
venus
Definition
the secound planet from the sun the temperture is about 460 degrees celcies
Term
earth
Definition
the only planet lif can live on.
Term
mars
Definition
the (red planet) about half earths diamater
Term
jupiter
Definition
the largest planet has the red spot.
Term
satern
Definition
second largest planet has rings.
Term
uranus
Definition
blue green coler third largest planet eleven rings.
Term
neptune
Definition
forth largest planet cold six rings.
Term
pluto
Definition
this is a former planet very very very cold
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