ES&G Flashcard 2 Review - Star's Brightness

Front

What color is a star when it is cooler?

Back

Red

Front

How many stars visible in the night sky are closer to Earth than the Sun?

Back

None of them.

Front

What do scientists use to measure a star's brightness when they cannot travel to it?

Back

Apparent brightness

Front

Why does the Sun appear to be the brightest star in the sky?

Back

It is the closest star.

Front

What type of dwarf star is the Sun?

Back

Yellow dwarf star.

Front

What is the term for the brightness of a star as seen from Earth?

Back

Apparent brightness.

Front

What is the term for the actual brightness of a star?

Back

Absolute brightness.

Front

What color are hotter stars typically?

Back

Blue

Front

What color are cooler stars typically?

Back

Red

Front

What is the closest star to Earth?

Back

The Sun.