The Sun

Front

What is the main source of energy for the Sun?

Back

Nuclear fusion is the main source of energy for the Sun.

Front

What process occurs when hydrogen nuclei fuse to form helium nuclei?

Back

Energy is released during the fusion of hydrogen nuclei into helium.

Front

What are solar flares?

Back

Intense explosions on the surface of the Sun that send charged particles toward Earth.

Front

How many stars are estimated to be in the Milky Way?

Back

There are hundreds of billions of stars in the Milky Way.

Front

What happens during nuclear fusion in the Sun?

Back

Hydrogen nuclei combine to produce a helium nucleus.

Front

What is the result of nuclear fusion in terms of energy?

Back

Nuclear fusion releases a significant amount of energy.

Front

What are prominences in relation to the Sun?

Back

Prominences are large, bright features extending outward from the Sun's surface.

Front

What is the difference between nuclear fusion and nuclear fission?

Back

Nuclear fusion combines light nuclei to form heavier nuclei, while nuclear fission splits heavy nuclei into lighter nuclei.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.

Front

What are sunspots?

Back

Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas.