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spacejaylah
Term | Definition |
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star clusters | a group of stars forming a gravitating unit and containing either not more than a few hunderd stars or ten of thousands of stars |
lunar eclipse | occurs whwn the moon passes directly behind the earth into its umbra. |
milky way | is the galaxy that contains our solar system |
umbra | the darkest part of a shodow especially the cone-shaped region of full shadow cast by earth |
light year | a unit of length in astronomy equal to the distance that light travels in one year in a about 5.88 trillion miles |
dead stars | is a star that has exhausted all its fuel for nuclear fusion and is simply the core of the former star floating |
solar mass | is a standard unit of mass in astronomy that is used to indicate the masses of other stars as well as clusters nebulae and galaxies. |
blackhole | is a place in space where gravity pulls so much that even light can not get out |
nebula | a cloud of gas and dust in outer space |
earth's seasons | one of the four equal periods into which the year is diviedby the equinoxes and solstices |