Astronomy vocab
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14 Terms
Tides
The rise and fall of sea levels
Astronomy
the study of stars and space
Eclipse
when one celestial body blocks light from another
moon phases
a rotation of the shadow on the moon
revolution
The orbit of an planet around a larger one
Rotation
the spinning motion of a celestial body
Light year
a unit of measurement in which light travels through space during one earth year
gravity
the pull of smaller objects to a larger, denser object
H-R diagram
chart used to plot light of stars to messure temperature
galaxies
a massive group of celestial bodys bound by gravity
latitude
the angle of a celestial body north or soulth
Longitude
the angle of a celestial body east or west
Seasons
Change in direct sunlight cuased by earth’s orbit
Life cycle of stars
Nebula, protostar, main sequence star
Note 
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