12/4 8th Life cycle of a star

Front

What is a supernova?

Back

A gigantic explosion that causes the death of a large star.

Front

What is the first stage in the formation of a star called?

Back

Nebula.

Front

What stage comes after the main sequence star?

Back

Red giant.

Front

How many stars are estimated to be in the Milky Way Galaxy?

Back

Billions.

Front

Do all stars begin their life as a white dwarf?

Back

False.

Front

What is a nebula?

Back

A cloud of gas and dust in space, where stars are born.

Front

What is a red giant?

Back

A late stage in a star's life cycle when it expands and cools after using up its hydrogen.

Front

What is a white dwarf?

Back

A small, dense star that is the remnant of a low or medium mass star after it has exhausted its nuclear fuel.

Front

What is a black dwarf?

Back

A theoretical stage of a white dwarf that has cooled and no longer emits significant heat or light.

Front

What is a pulsar?

Back

A highly magnetized rotating neutron star that emits beams of electromagnetic radiation.