Stars

Front

What is a supernova?

Back

A supernova is the explosion that occurs at the end of a massive star's life cycle, resulting in a bright, short-lived burst of light.

Front

What color of star is the hottest?

Back

Blue stars are the hottest, with surface temperatures exceeding 30,000 degrees Celsius.

Front

What is the life cycle starting point for all stars?

Back

All stars begin their life in a nebula, which is a large cloud of gas and dust in space.

Front

What color of star is the coolest?

Back

Red stars are the coolest, with surface temperatures below 3,500 degrees Celsius.

Front

What is a white dwarf?

Back

A white dwarf is a small, hot star that is near the end of its life cycle, having exhausted its nuclear fuel.

Tags

NGSS.HS-ESS1-3

Front

What is a nebula?

Back

A nebula is an interstellar cloud of gas and dust where new stars are born.

Tags

NGSS.HS-ESS1-3

Front

What is the main sequence in stellar evolution?

Back

The main sequence is a stable phase in a star's life where it fuses hydrogen into helium in its core.

Tags

NGSS.HS-ESS1-1

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.

Tags

NGSS.HS-PS2-4

Front

What is a red dwarf?

Back

A red dwarf is a small and cool star that burns its fuel slowly and can live for billions of years.

Front

What is a supergiant star?

Back

A supergiant star is a massive star that has expanded and cooled, often becoming one of the largest stars in the universe.

Tags

NGSS.HS-ESS1-3