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Newton Science Ch 16

Vocab

QuestionAnswer
astrolabe A tool used to measure the angle between the horizon and a fixed point in the sky.
telescope A tool used to see objects that are far away.
Galileo Galilei Italian scientist --first to use a telescope in astronomy.
Radio telescope A telescope with a bowl-shaped dish rather than mirror or lenses.
light-year The distance light can travel in one year.
nebula A cloud of gas and dust where stars form.
supernova A gigantic explosion that occurs near the end of the life of some stars.
black hole a point in space that has such a strong force of gravity that nothing within a certain distance of it can escape.
galaxy a huge system of stars, dust, and gas held together by gravity.
constellation A group of stars that forms a pattern.
Created by: vwermert
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