Unit 7: Universe Vocabulary

What term describes the distance light travels in one year?

• Apparent magnitude

• Light year

• Luminosity

• Solar system

Which galaxy contains our Solar System?

• Andromeda Galaxy

• Milky Way Galaxy

• Triangulum Galaxy

• Whirlpool Galaxy

What is a large cloud of dust and gas in space called?

• Nebula

• Galaxy

• Solar system

• Universe

What term encompasses all of space and everything in it?

• Solar system

• Galaxy

• Universe

• Nebula

What is the Hertzsprung-Russell diagram used for?

• Measuring the distance between stars

• Showing the relationship between size and temperature of stars

• Calculating the mass of galaxies

• Determining the age of the universe

What term describes the true brightness of an object?

• Apparent magnitude

• Luminosity

• Light year

• Astronomical Unit

What is the brightness of a star when viewed from Earth called?

• Luminosity

• Apparent magnitude

• Light year

• Astronomical Unit

What is the term for the brightness of a star as seen from Earth?

• Luminosity

• Apparent magnitude

• Light year

• Astronomical Unit

What is the brilliant explosion of a dying supergiant star called?

• Supernova

• Nuclear fusion

• Asteroid

• Meteoroid

What is the process where two atoms merge together to give off energy called?

• Absolute magnitude

• Nuclear fusion

• Red giant star

• Comet

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8