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science astronomy te

TermDefinition
meteor as it enters Earth's atmosphere, it burns up producing a light in the sky
geocentric earth is in the center of the solor system
heliocentric sun is in the center of the universe
inertia objects in motion, stay in motion unless acted upon by an outside force keeps planets moving
astroid belt rock fragments found between Mars and Jupiter. revolve around the sun in the circular orbits
meteoroid chunk of rock, or dust in space. usually comes from a comet, or astroid
meteorite a meteor that has hit Earth's surface.
comet a dirty snowball made of chunks of ice. orbits the sun
lightyear is the distance that light travels in 1 year (about 9.5 million2 kilometers.
asteroid rock fragments
explain diff between geocentric&heliocentric G=earth in the center. H=sun in center
explain how planets stay in their orbit inertia + gravity.
Id differences between the inner and outer planets inner has life and no gas, but outer has tons and tons of gas
Id how stars are classified They are a hot and luminous gaseous body and they differ in size and temp and age and apparent brightness.
EX why asteroids aren't planets (inner orbits) Asteroids are non planetary objects and much smaller size and mass
EX relationship between mass and gravitational force mass is bigger gravity gets stronger
EX relationship between distance and gravitational force when distance is closer gravity is weaker
Created by: user-1866071
 

 



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