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earth and gravity vocab
13 cards·by nathan@quizlet.com
distance light travels in a year
light year
gas that makes new stars
nebula
a giant explosion at the end of a star
super nova
A point in space where gravity is strong and you cant escape
black hole
a huge system made of stars,gas and dust held together by gravity
galaxy
a group of stars that make a pattern
constellation
sun and bodies that move around it
solar system
full orbit of an object
revolution
the line from the north going to the south pole
axis
a frozen mass of ice and dust around the sun
comet
whole spin of an object
rotation
a rocky mass that revolves around the sun
asteroid
an object in orbit around another object
satellite