Ch10 Stars Quiz #1

What is a neutron star that spins rapidly on its axis?

• Pulsar
• Black hole
• White dwarf
• Red giant

What is the death explosion of a star?

• A red giant.
• A supernova.
• A black hole.
• A neutron star.

What is an existing star that flares up and becomes brighter than normal?

• Red giant
• Supernova
• Pulsar
• Nova

What are stars that regularly or repeatedly change in magnitude?

• Giant stars
• Dwarf stars
• Variable stars
• Fixed stars

What is a star’s apparent movement in relationship to other stars?

• parallax

• pulsar

• nova

• magnitude

What is the brightness of a star?

• magnitude

• parallax

• pulsar

• absolute

What is how bright a star really is?

• Absolute magnitude
• Brightness index
• Star magnitude
• Luminosity

What is how bright a star looks to us called?

• Luminosity
• Apparent magnitude
• Absolute magnitude
• Star brightness index

What is the closest star to Earth?

• Alpha Centauri A
• Sirius
• Proxima Centauri
• The Sun

What is a cloud of interstellar gases and debris?

• comet
• black hole
• star cluster
• nebula