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astronomy-science
Question | Answer |
---|---|
absolute magnitude | a measure of the amount of light that a star actually emits. |
apparent magnitude | a measure of the amount of light from a star that is received on earth |
asteroid | a piece of rock similar to the material that formed into planets usually found in the asteroid belt. |
axis | imaginary virtical line that cuts through the center of earth and around which earth spins. |
big bang theory | states that approximately 12 to 15 billion years ago, that formation of the universe began with a fiery explosion. |
black hole | remnant of a star that is so dense that nothing, not even light, can escape its gravity field |
chromosphere | layer of the suns atmosphere found above the photosphere and below the transition zone and corona. |