A galaxy is a massive group of stars, star clusters, interstellar gas and dust, and dark matter which is all gravitationally bound together. · The word 'galaxy' ...

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.

It is a spiral galaxy nearly 13.6 billion years old, almost as old as the Big Bang. It travels at a speed of nearly 9,00,000 kilometres per hour. Just like the ...

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together 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.

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.

Galaxies are huge and can have trillions (way bigger than billions!) of stars. As big as galaxies are, they are generally separated by large areas of empty ...

The Milky Way contains hundreds of billions of stars like our sun. (And like our sun, most of these stars have at least one planet orbiting them.)

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 ...

The Milky Way is almost as old as the universe! Astronomers place the age of the universe at around 13.7 billion years and the Milky Way at 13.6 billion years. Introduction · Statistics · Structure and Surface