FOSS Planetary Science Investigations 8 & 9 Test

Water may exist on planets as a solid, liquid, and gas.

• true

• false

Light is an electromagnetic wave made up of different wavelengths.

• true

• false

Different colors of light, have the same type of wavelengths.

• true

• false

This image is a picture of what?

• electromagnetic spectrum

• visible spectrum

• wavelength

• transit

Why do astronomers use spectroscopes to study stars and planets?

• to see the electromagnetic spectrum

• to separate the light into different wavelengths

• to measure the size of the stars and planets

• to identify where the barycenter of a star is

In the electromagnetic spectrum, our eyes can detect

• ultraviolet wavelenghts

• x-rays

• visible light

• all the above

Each light has its own _________ which reveals what elements are present.

• light signature

  (finger print)

• radiation

• spectroscope

• infrared

White light is made up of all the colors in the visible spectrum.

• true

• false

Which space telescope was launched in 2021, can see infrared radiation, and will orbit 11 million miles away from Earth.

• Apollo

• Hubble

• James Webb

• Kepler

Most astronomers believe the Universe began at a point of singularity known as the

• Big Freeze

• Big Bang

• Big Thrill

• Big Crunch