The Sun and Other Stars

Front

What is the most abundant form of mass in the universe?

Back

Dark matter.

Front

What are the three layers of the Sun's atmosphere?

Back

Photosphere, chromosphere, corona.

Front

What can change depending upon the distance to a star?

Back

Apparent magnitude.

Front

What properties are used to classify stars?

Back

Size, brightness, and temperature.

Front

Which part of the sun extends millions of kilometers into space?

Back

Corona.

Front

What is the core of the Sun?

Back

The innermost layer where nuclear fusion occurs.

Front

What is the photosphere?

Back

The visible surface of the Sun that emits light.

Front

What is the chromosphere?

Back

The layer of the Sun's atmosphere above the photosphere, visible during solar eclipses.

Front

What is the corona?

Back

The outermost layer of the Sun's atmosphere, extending far into space.

Front

What is luminosity?

Back

The total amount of energy emitted by a star per second.