Life Cycle of a Star

Front

What is a nebula?

Back

A nebula is a large cloud of gas and dust in space where stars are born.

Front

What color are the coldest stars?

Back

Red.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages such as nebula, main sequence, red giant, supernova, and black hole or white dwarf.

Front

What happens to a star after a supernova?

Back

If the core is massive enough, it can collapse into a black hole.

Front

Why does the sun appear so bright to us?

Back

Because it is the closest star to Earth.

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is a red giant?

Back

A red giant is a late stage in a star's life cycle when it has expanded and cooled after using up its hydrogen fuel.

Front

What is the main sequence phase of a star?

Back

The main sequence is the longest phase in a star's life cycle where it fuses hydrogen into helium.

Front

What is a supernova?

Back

A supernova is a powerful explosion that occurs at the end of a star's life cycle.

Front

What is a white dwarf?

Back

A white dwarf is the remnant core of a star that has exhausted its nuclear fuel and shed its outer layers.