SC.8.E.5.5 Solar Flares; Star Size : Test

Front

What determines how bright a star appears from Earth?

Back

The star's distance from Earth.

Front

Why does the Sun appear larger and brighter than blue giant stars?

Back

It is closer.

Front

What size is our Sun classified as?

Back

A medium-sized star.

Front

What is the relationship between a star's luminosity and its distance from Earth?

Back

The luminosity has an inverse relationship to the distance.

Front

Which property of stars is correctly defined as the amount of light emitted by a star?

Back

Luminosity.

Front

What is a blue giant star?

Back

A star that puts out more energy and burns millions of times brighter than the Sun.

Front

What is apparent magnitude?

Back

The brightness of a star as seen from Earth.

Front

What is the difference between luminosity and apparent magnitude?

Back

Luminosity is the total amount of energy emitted by a star, while apparent magnitude is how bright it appears from Earth.

Front

What is the main factor that affects a star's apparent brightness?

Back

The distance of the star from Earth.

Front

What is the significance of a star's color?

Back

It indicates the star's temperature and energy output.