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Newton Science Ch 16

Vocabulary

QuestionAnswer
constellation A group of stars that forms a pattern.
galaxy A huge system of stars, dust, and gas held together by gravity.
nebula A cloud of gas and dust in which new stars form.
supernova A gigantic explosion that occurs near the end of a stars existence.
black hole a point in space that has such a strong force of gravity that nothing within a certain distance of it can escape getting pulled into it.
light-year The distance light travels in the year.
radio telescope A type of telescope with a bowl-shaped dish rather than a mirror or a lens.
astrolabe A tool used to measure the angle between the horizon and a fixed point in space.
Galileo Galilei The Italian scientist that was the first to use a telescope in astronomy.
Created by: vaw
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