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- 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), meaning 'milky', a reference to the Milky Way galaxy that contains the Solar System
- 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
- Galaxy | Definition, Formation, Types, Properties, Facts . . .
What is a galaxy? A galaxy is any of the systems of stars and interstellar matter that make up the universe Many such assemblages are so enormous that they contain hundreds of billions of stars Galaxies usually exist in clusters, some of which measure hundreds of millions of light-years across
- Mobile | TV | Home Electronics | Home Appliances - Samsung US
Discover the latest in electronic smart appliance technology with Samsung Find the next big thing from smartphones tablets to laptops tvs more
- Lịch Chiếu Phim Rạp Galaxy Nguyễn Du
Galaxy Nguyễn Du với giá vé chỉ từ 50,000 VNĐ, ưu đãi nhất tại Việt Nam Xem ngay!
- Galaxy - Definition, Types, Formation, and Examples
A galaxy is a massive gravitationally bound system containing stars, stellar remnants, gas, dust, dark matter, planets, and other astronomical objects Galaxies range from tiny dwarf systems containing a few million stars to giant galaxies with trillions of stars spread across hundreds of thousands of light-years
- What’s a galaxy? All you need to know about galaxies - EarthSky
A galaxy can contain hundreds of billions of stars and be many thousands of light-years across Our own galaxy, the Milky Way, is around 100,000 light-years in diameter
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