Observing The Sky Vocab

Front

Everything that exists in space includes:

Back

universe

Front

Device that collects light to make distant objects appear closer

Back

Telescope

Front

Bending of waves between substances

Back

Refraction

Front

Bouncing of waves off a surface

Back

Reflection

Front

Distance between peaks on a wave

Back

wavelength

Front

Waves passing a point in one second

Back

frequency

Front

Diagram shows light waves by wavelength.

Back

Electromagnetic spectrum

Front

Complete spin on axis

Back

rotation

Front

One trip around the sun

Back

Revolution

Front

A belt, 15 degrees wide in longitude where all places have the same time.

Back

standard time zone