The Sun

Front

What is the primary source of energy for the Earth?

Back

The Sun is the primary source of energy for the Earth.

Front

What process powers the Sun?

Back

Nuclear fusion, specifically the fusion of hydrogen into helium, powers the Sun.

Front

What is the electromagnetic force?

Back

The electromagnetic force is a fundamental force that causes protons to repel each other due to their positive charge.

Front

What is a proton-proton chain reaction?

Back

The proton-proton chain reaction is the process by which low-mass stars, including the Sun, fuse hydrogen into helium.

Front

What are solar flares?

Back

Solar flares are sudden eruptions of energy on the Sun's surface that can release a large amount of radiation.

Front

What is a sunspot?

Back

A sunspot is a temporary phenomenon on the Sun's photosphere that appears as spots darker than the surrounding areas.

Front

What is the corona of the Sun?

Back

The corona is the outermost layer of the Sun's atmosphere, visible during a total solar eclipse.

Front

What is a solar prominence?

Back

A solar prominence is a large, bright feature extending outward from the Sun's surface, often in a loop shape.

Front

What is the chromosphere?

Back

The chromosphere is a layer of the Sun's atmosphere located above the photosphere and below the corona.

Front

What is the photosphere?

Back

The photosphere is the visible surface of the Sun from which light is emitted.