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Vocab 12

comet a ball of ice and dirt that orbits the Sun
meteor a small rock that burns as it enters Earth's atmosphere
asteroid a large rock in outer space
telescope a tool used for observing distant objects
mass the amount of matter in an object
weight the measure of the pull of gravity on an object
astronomer a scientist who studies things in outer space
galaxy a grouping of stars
lunar eclipse when the moon moves through the shadow of the Earth
solar eclipse when the moon makes a shadow on Earth
Created by: CriswellScience