- Galaxy - Wikipedia
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity [1][2] The word is derived from the Greek galaxias (γαλαξίας), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System
- Galaxia | Pioneering Space Intelligence for a Smarter Earth | GALAXIA . . .
Galaxia is at the forefront of Atlantic Canada’s space technology industry, delivering real-time data, AI-driven insights, and advanced mission solutions for sectors such as energy, defense, and environmental monitoring
- Galaxies - NASA Science
Galaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity The largest contain trillions of stars and can be more than a million light-years across The smallest can contain a few thousand stars and span just a few hundred light-years
- Galaxies—facts and information | National Geographic
Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity Nearly all large galaxies are thought to also
- How galaxies form: Theories, variants and growth | Space
Here are some of the most promising theories of how galaxies form, how and why they merge, as well as the different varieties of galaxies that have been observed As the universe expanded in
- Galaxy - ESA Hubble
Galaxies are collections of stars, dust, gas, and dark matter, which are bound together by the gravitational attraction that results from their own mass A small dwarf galaxy contains a few million stars, whilst the biggest known galaxies can contain up to a hundred trillion stars
- What is a galaxy? - Live Science
Galaxies are groups of stars and other space objects held together by gravity There are more than 100 billion galaxies in the universe, each presenting beautiful structures that can be seen in
- 100,000 Stars
The Sun is the star at the center of the Solar System
|