The Universe

If a star's spectral lines are shifted towards the end of the spectrum, then the star is moving:

• towards

• away from

• to

• backwards

Objects moving closer to the Earth, shift the spectrum to the ____ end

The part of the electromagnetic spectrum that can be separated into colors of the rainbow is

• red light

• no light

• visible blue light

• visible white light

The unit most used by astronomers to express the distance to other galaxies is a

• light

• light year

• light day

• dark week

All electromagnetic radiation travels at a speed of

• 150,000 km/sec

• 40,000 km/sec

• 300,000 km/sec

• 1,000,000,000 km/sec

Put the types of EMR in the bottom in order from longest to the shortest wavelength.

Infared, x-ray, gamma ray, radiowave, microwave, visible, ultraviolet

Galaxies are classified by their

• shape

• size

• color

• beauty

Name the three basic types of galaxies

What is the most accepted theory for the origin of the Universe?

Who came up with the evidence that supports the big bang theory?

• Hubble Edwin

• Greta

• Edwin Hubble

• NASA