Earth Science _Quiz 2

What is the primary component of stars?

• Nitrogen

• Hydrogen

• Oxygen

• Carbon

What is a nebula?

• A black hole

• A cloud of gas and dust in space

• A type of star

• A planet

What occurs at the core of a main sequence star?

• Carbon fusion

• Hydrogen evaporation

• Nuclear fusion

• Helium fusion

What is a red giant?

• A neutron star

• A luminous giant star of low or intermediate mass

• A type of black hole

• A supernova remnant

What happens during a supernova?

• The star becomes a white dwarf

• The star explodes and disperses elements into space

• The star collapses into a neutron star

• The star ignites and becomes a protostar

What is a white dwarf?

• A massive star

• A main sequence star

• The remnant of a red giant star

• A type of nebula

What is the final stage of a massive star's life cycle?

• Black hole

• Neutron star

• Supernova

• Red giant

What is a neutron star?

• A star that has exhausted its nuclear fuel

• A star that has collapsed under its own gravity

• A type of black hole

• A main sequence star

What defines a black hole?

• A luminous giant star

• A star that has exploded

• A region in space where gravity is so strong that nothing can escape

• A type of neutron star

Which of the following is an example of a massive main sequence star?

• Proxima Centauri

• The Sun

• Rigel

• Sirius