Observing The Sky Vocab

Everything that exist- all the things in space include

• Astronomy

• universe

• telescope

Device that collects light that makes distant objects appear closer

• Astronomy

• Electromagnetic spectrum

• Telescope

The bending of waves as they go from one substance to another

• wavelength

• Refraction

• reflection

The bouncing of waves off the surface

• Reflection

• Refraction

• wavelength

The distance between one peak to the next on the wave

• frequency

• wavelength

• refraction

The number of waves that pass through any point in a second

• frequency

• tides

• wavelength

The diagram shows waves of light in order of their wavelengths

• Electromagnetic spectrum

• wavelength

• frequency

a complete spin on the axis

• rotation

• revolution

• motion

one trip around the sun

• rotation

• revolution

• axis

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

• revolution

• international date line

• standard time zone