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Space and Graivity
8 cards·by brendon.lucy
The distance light travels in a year
Light year
A cloud of gas and dust in which new stars form.
Nebula
A gigantic explosion that occurs near the end of a star
Supernova
A point in space where there is such a strong gravity that nothing within a certain distance can
escape
Black hole
A huge system of stars, dust, and gas held together by gravity
Galaxy
A group of stars that form a pattern
Constellation
Sun and all the bodies that orbit it
Solar system
One full orbit of an object
Revolution