![](/rp/kFAqShRrnkQMbH6NYLBYoJ3lq9s.png)
Milky Way - Wikipedia
The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
Milky Way Galaxy | Size, Definition, & Facts | Britannica
3 天之前 · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.
The Milky Way Galaxy - NASA Science
2017年11月8日 · Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way. Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars.
What is the Milky Way? It’s our home galaxy - EarthSky
2024年1月1日 · When you are standing under a completely dark, starry sky, away from light pollution, the Milky Way appears like a cloud across the cosmos. But that cloud betrays no clue as to what it actually...
Milky Way galaxy: Facts about our cosmic neighborhood | Space
2023年4月18日 · The Milky Way galaxy is our cosmic home. A barred spiral galaxy stretching 100,000 light-years across. Here we explore our galactic neighborhood in more detail.
The Milky Way Galaxy - Imagine the Universe!
2021年9月23日 · Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area. It is very difficult to count the number of stars in the Milky Way from our position inside the galaxy. Our best estimates tell us that the Milky Way is made up of approximately 100 billion stars.
银河为什么叫「Milky Way」? - 知乎
古希腊人观察到银河星云的形状酷似夜空被milk 泼溅开来,所以将其比喻为牛奶(milk)的轨迹(way),这就是Milky Way这个名称的来源。 2. 古希腊神话中,宙斯的妻子赫拉被赋予了哺育宙斯之子的责任。
The Milky Way Galaxy - Harvard–Smithsonian Center for …
The Milky Way is our galactic home, part of the story of how we came to be. Astronomers have learned that it’s a large spiral galaxy, similar to many others, but also different in ways that reflect its unique history. Living inside the Milky Way gives us a close-up view of its structure and contents, which we can’t do for other galaxies.
X-Ray Echoes Unveil the Milky Way’s Hidden 3D Blueprint
22 小时之前 · Scientists have unlocked the 3D structure of molecular clouds in the Milky Way ’s center, using a groundbreaking X-ray technique. These cosmic clouds, vital for star formation, were illuminated by past outbursts from the supermassive black hole, Sagittarius A*. By analyzing how X-ray flares interact with these clouds, astronomers pieced ...
101 Galaxies Later: Why the Milky Way Stands Out in the Universe
2025年2月8日 · The Milky Way is an outlier in this regard, which is one reason it’s atypical. Exploring the Quenching of Star Formation. The second study focuses on star formation in the satellites. The star formation rate (SFR) is an important metric in understanding galaxy evolution. The research shows that star formation is still active in the satellite ...