Chapter 17 Vocabulary Test

Match it! Select the correct answer from the pull down...Good luck!

A telescope that uses convex lenses to gather and focus light

The initial explosion that resulted in the formation and expansion of the universe

A galaxy with a bulge in the middle and arms that spiral outward in a pinwheel patter

An imaginary pattern of stars in the sky

A graph relating the surface temperatures and absolute brightness of stars.

A large cloud of gas and dust in space, spread out in an immense volume

A galaxy shaped like a round or flattened ball, generally ball, generally containing only old stars

One of the small asteroid-like bodies that formed the building blocks of the planets