Review - Life of a Star and HR Diagram

Front

Ninety percent of all stars are ______.

Back

main sequence stars

Front

The life cycles of stars are determined by their:

Back

mass (size)

Front

What will a star that's 1,000 times as massive as the sun ultimately become?

Back

A black hole

Front

Which two qualities of stars are displayed in a Hertzsprung-Russell diagram?

Back

Surface Temperature & Absolute Magnitude

Front

A protostar develops in a nebula as _______________________ causes the gas and dust to pull together.

Back

Gravity

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity.

Front

What is the Hertzsprung-Russell diagram used for?

Back

To classify stars based on their luminosity and temperature.

Front

What is a white dwarf?

Back

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

Front

What is a supergiant star?

Back

An extremely large star that is much more massive than the sun and has a short life cycle.

Front

What is a red giant?

Back

A late stage in the life cycle of a star where it expands and cools after exhausting hydrogen in its core.

Tags

NGSS.HS-ESS1-3