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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
Created by: jaylah1034871