Unit 2 Test

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

Light is the only form of energy that is

The scientist who first proposed the Heliocentric Solar System is

You probably would not need a radio telescope to find

Scientists think that there is a galaxy hidden inside a cloud of gas. What kind of instrument would be used to find the Galaxy?

Different forms of energy have different

A pulsar could be discovered using a9n0

Astronomers viewing light from distant galaxies observe a shift of spectral lines toward the red endow the visible spectrum. This shift provides evidence that

You take a spectroscope outside one night to look at a star. The colors that you see can tell you the star's