Stars and Galaxies

Front

What is the Milky Way galaxy?

Back

The Milky Way galaxy is a spiral galaxy that contains our solar system and billions of other stars.

Front

Why can't we see the spiral shape of the Milky Way from Earth?

Back

We are inside the Milky Way galaxy, so we cannot see its spiral shape from Earth.

Front

What makes the Sun appear larger than other stars?

Back

The Sun is much closer to Earth than other stars.

Front

What holds galaxies together?

Back

Galaxies are held together by gravity.

Front

What are galaxies made of?

Back

All galaxies are made up of many stars.

Front

How does the size of the Sun compare to other stars?

Back

The Sun is medium-sized compared to most other stars.

Front

What is a galaxy?

Back

A galaxy is a large group of stars, gas, dust, and dark matter held together by gravity.

Front

What is the closest star to Earth?

Back

The closest star to Earth is Proxima Centauri.

Front

What is a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.

Front

What is the difference between a star and a planet?

Back

A star produces its own light through nuclear fusion, while a planet reflects light from a star.