CP Astronomy Quiz Review

(parts,1 2, and 3)

Open Universe

A universe that continues to expand infinitely is known as a(n)

Gas giants

Jupiter, Saturn, Uranus, Neptune

Redshift

A star moving away from Earth will display a(n)

Hubble’s Law

Galaxies farther from Earth move away at a faster rate.

Nebular Theory

Theory of how a solar system forms.

Big Bang Theory

Theory of how our universe formed

Frequency

The measure of how many waves pass a point in a given amount of time.

Spectroscopy

The study of light.

Doppler Effect

The apparent shift in frequency of a wave due to movement.

Terrestrial planets

Mercury, Venus, Earth, Mars

Closed Universe

A universe that stops expanding and begins to contract.

Nebula

A could of dust and gas that eventually becomes a star.

Wavelength

The distance from one wave to the next.

Cosmic Background Radiation

Leftover microwave radiation from the Big Bang.

Singularity

A zone of infinite density.

Electromagnetic Spectrum

A continuum of radiation released by objects in space.

Gamma rays

Which type of radiation has the highest frequency?

Gamma rays

Which type of radiation has the shortest wavelength?

Radio waves

Which type of radiation has the lowest amount of energy?

Long waves= low frequency, short waves= high frequency

Which is the relationship between wavelength and frequency?