Stars

Front

What does the H-R diagram show?

Back

The H-R diagram is a graph that shows the relationship between temperature and brightness for stars.

Front

What force causes dust particles to stick together in a nebula?

Back

Gravity is the force that causes dust particles to stick together in a nebula.

Tags

NGSS.HS-PS2-4

Front

What color of star is the hottest?

Back

Blue stars are the hottest.

Front

What is a black hole?

Back

A black hole is an object so dense with so much gravity that even light cannot escape.

Front

What color of star is the coolest?

Back

Red stars are the coolest.

Front

What is nuclear fusion?

Back

Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is a neutron star?

Back

A neutron star is the remnants of a supernova explosion, composed mostly of neutrons and incredibly dense.

Tags

NGSS.HS-ESS1-3

Front

What is the main component of stars?

Back

The main component of stars is hydrogen, which undergoes nuclear fusion to produce energy.

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, and supernova or white dwarf.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a star that has exhausted its nuclear fuel.