- 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
- Galaxy | Definition, Formation, Types, Properties, Facts | Britannica
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
- galaxy（英文单词）_百度百科
作为天文学术语，指由恒星、气体等构成的天体系统，如银河系（the Galaxy）和仙女座星系，并衍生出“星系团”“螺旋星系”等分类概念。
- Galaxies - NASA Science
Galaxy Basics 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
- 立即预订 Galaxy Z TriFold | 多重购机礼遇 | 三星电子 中国
立即预订 Galaxy Z TriFold*因为网络数据传输延迟、网速、页面缓存等原因本页面与产品详情页及购物车页面展示的商品价格可能存在差异，仅供参考，商品销售价格与实际交易价格请以最终提交订单页面为准。同时，因三星商城有积分抵扣、代金券、补贴等促销活动，实际交易价格与展示销售价格亦
- Galaxies—facts and information | National Geographic
In our own galaxy, the Milky Way, the sun is just one of about 100 to 400 billion stars that spin around Sagittarius A*, a supermassive black hole that contains as much mass as four million suns
- GALAXY中文 (简体)翻译：剑桥词典 - Cambridge Dictionary
Jupiter is the biggest planet in our solar system, but not the biggest planet in the Galaxy On dark nights with no moon, you can see the Milky Way in the night sky Our system is just one of many in the Galaxy that might be able to support life
- What is a galaxy? - BBC Sky at Night Magazine
A galaxy is a concentration of millions or billions of stars, gas clouds and pockets of dust, all bound by gravity and swathed in a cocoon of mysterious dark matter
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