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Earth and gravity vocab
13 cards·by kmoore4
Light year
the distance light travels in a year
Nebula
a cloud of gas and dust in which new stars form
Super nova
a gigantic explosion that occurs near the end of a star
Black hole
a point in space where there is such a strong gravity that nothing within a certain distance
canescape
Galaxy
a huge system of stars,dust,and gas held together by gravity
Constellation
a group of stars that form a pattern
Solar system
sun and all the bodies that orbit it
Revolution
one full orbit of an object
Axis
an imaginary line around which the earth rotates
Comet
a frozen mass of ice and dust orbiting the sun
Rotation
one whole spin of an object
Astroid
a rocky mass that revolves around the sun
Satellite
an object in orbit around another object