4/7/21 Unit Seven Review (Test Tomorrow)

What star phase happens when an average star expands its outer layers to increase in size and luminosity (brightness)?

• Neutron star

• White Dwarf star

• Red Giant star

• Black Hole

Which category of stars are very hot, but not very bright?

• Blue Giants

• Red Giants

• White Dwarfs

• Red Supergiants

What type of star is the Sun classified as?

• A red giant star

• A red supergiant star

• A neutron star

• A main sequence star

Most stars of lower mass are more stable, and more common in our universe. These average stars are known as...

• Main Sequence stars

• White Dwarfs

• Red Giants

• Pulsars

A collection of gas and dust where new stars are born is known as a...

• Planetary Nebula

• Black Hole

• Supernova

• Stellar Nebula

The remnants of a Red Giant star after shedding its outer layers are the _______________ and ________________.

• Planetary Nebula and a White Dwarf

• Neutron Star and a Pulsar

• Neutron Star and a Black Hole

• Stellar Nebula and a Main sequence star

A black hole is an area where even light cannot escape, what is the cause of this phenomenon?

• The size of a black hole

• The luminosity of a black hole

• The gravity of a black hole

• The depth of a black hole

Which star would be very hot and very bright?

• Rigel

• Sirius

• Alpha Centauri B

• Betelgeuse

Which phase of a star results in an explosion sending dust, gas, and radiation into space?

• Red Giant

• Supernova

• Black Hole

• White Dwarf

The edge of a black hole where light and matter cannot escape from is called the...

• Gravity Well

• Outer rim

• Edge of Darkness

• Event Horizon