Review - Life of a Star and HR Diagram

Front

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

Back

Surface Temperature & Absolute Magnitude.

Front

How does Spica compare to the Sun in terms of temperature and brightness?

Back

Spica is hotter and brighter than the Sun.

Front

When is a star considered to be born?

Back

When nuclear fusion starts.

Tags

NGSS.HS-ESS1-1

Front

What is the measure of brightness or intensity of light that does not depend on the distance from the viewer?

Back

Luminosity.

Front

What stage do stars spend most of their lifetime in?

Back

Main Sequence.

Tags

NGSS.HS-ESS1-1

Front

What is the Hertzsprung-Russell diagram used for?

Back

It is used to classify stars based on their luminosity and temperature.

Front

What is the difference between apparent magnitude and absolute magnitude?

Back

Apparent magnitude is how bright a star appears from Earth, while absolute magnitude is the intrinsic brightness of a star at a standard distance.

Front

What happens to a star after it exhausts its nuclear fuel?

Back

It can become a red giant, supernova, or white dwarf depending on its mass.

Tags

NGSS.HS-ESS1-1

Front

What is a nebula?

Back

A nebula is a giant cloud of gas and dust in space, often the birthplace of stars.

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