There are potentially more than 170 billion galaxies in the observable universe. Some, called dwarf galaxies, are very small with about 10 million stars, while ...

Our solar system belongs to the Milky Way Galaxy. It is a spiral galaxy nearly 13.6 billion years old, almost as old as the Big Bang. It travels at a speed of ...

A galaxy is a group of stars, clouds of gas, and dust particles that move together through the universe. There are billions of galaxies in the universe.

Galaxies are huge spans of gas, dust, dark matter, and from a million to trillions of stars. Everything in a galaxy is bound by gravity.

9 авг. 2024 г. · A galaxy is a group of many stars, along with gas, dust, and dark matter. The name 'galaxy' is taken from the Greek word galaxia meaning milky.

4 сент. 2023 г. · 7 Facts About Galaxies · 1. Galaxies come in all shapes and sizes · 2. Galaxies are huge! · 3. Galaxies contain billions of stars · 4. Galaxies are ...

One of the most interesting aspects of the Milky Way is its size. It is estimated to be about 100,000 light-years in diameter, meaning it would take light ...

Galaxies are huge collections of matter, possibly dark matter, dust, gases and of course stars, that are all bound together by gravity.

15 Galaxy Facts for Kids · A galaxy is a collection of dark matter, dust, interstellar gas, stars and stellar remnants bound by gravitation. · Astronomers believe ...