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Star Lab Vocabulary

Astronomy definitions for Stark County Jr. High

definitionVocabulary word
the distance that light travels in a year light year
study of the universe astronomy
when the moon blocks the sun's light over a part of earth solar eclipse
the brightness of a star as viewed from Earth apparent magnitude
third rock from the sun Earth
a large body that revolves around a star planet
a pattern of stars in the sky constellation
a hot rotating ball of hydrogen and helium gases that creates its own light through nuclear fusion reactions star
billions of stars held together by gravity galaxy
huge clouds of gas and dust where the stars and planets are born nebulas
a small object made up of ice, frozen gas and dust (dirty snowball) that orbits the sun comet
the measure of a star's true brightness absolute magnitude
source of huge amounts of energy in form of radio waves quasar
the band of constellations through which the sun appears to pass through the year zodiac
when the earth's shadow falls across the moon lunar eclipse
family of planets and moons that revolves around a star solar system
a tiny bit of metal and rock from a comet that travels through space meteoroid
a natural satellite of a planet moon
the force that attracts objects to each other gravity
an area of cooler temperatures on the sun where magnetic activity occurs sunspot
Created by: cstoner
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