The Sun and other stars

Front

What are galaxies composed of?

Back

Galaxies are composed of stars, dust, and gas held together by gravity.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, gas, dust, and dark matter, bound together by gravity.

Front

How long does it take for light from the sun to reach Earth?

Back

It takes about 8 minutes for light from the sun to travel to Earth.

Front

What is a star?

Back

A star is a ball of hot, burning gas that produces light and heat through nuclear fusion.

Front

What size star is our sun?

Back

The sun is classified as a medium-sized star.

Front

What is the center of our solar system?

Back

The center of our solar system is the sun.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is a solar system?

Back

A solar system is a collection of planets and other celestial bodies that orbit a star.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star and does not produce its own light.

Front

What is a solar flare?

Back

A solar flare is a sudden eruption of energy on the sun's surface that releases a large amount of radiation.