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chapter 17 vocab
telescope
7
Science
6th Grade
02/19/2009

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Term
telescope
Definition
a device built to observe distant objects by making them appear closer
Term
constellation
Definition
an imaginary pattern of stars in the sky
Term
light-year
Definition
the distance that light travels in one year about 9.5 million million kilometers
Term
galaxy
Definition
a huge group of single stars star systemsstar  clusters dust and gas bounded together by gravity
Term
spiral galaxy
Definition
a galaxy with a buldge in the middle and armsthat spiral outward in a pinwheel pattern
Term
sorry mrs cravey i have to get a bath and i could not find the cards
Definition
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