美丽的三叶星云
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三叶星云
天文·每日一图
三叶星云的中心
2023年6月5日 In the Center of the Trifid Nebula Image Credit & Copyright: Martin Pugh Explanation: What’s happening at the center of the Trifid Nebula? Three prominent dust lanes that give the Trifid its name all come together. Mountains of opaque dust appear near the bottom, while other dar
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三叶星云的气柱与喷流
2020年12月22日 Trifid Pillars and Jets Image Credit: NASA, ESA, Hubble Space Telescope, HLA; Processing: Advait Mehla Explanation: Dust pillars are like interstellar mountains. They survive because they are more dense than their surroundings, but they are being slowly eroded away by a hostile environme
天文·每日一图
三叶星云的中心
2020年11月01日 In the Center of the Trifid Nebula Image Credit: Subaru Telescope (NAOJ), Hubble Space Telescope, Martin Pugh; Processing: Robert Gendler Explanation: What’s happening at the center of the Trifid Nebula? Three prominent dust lanes that give the Trifid its name all come together. Mo
天文·每日一图
斯皮策望远镜的三叶星云
2020 February 13 Spitzer’s Trifid Image Credit: J. Rho (SSC/Caltech), JPL-Caltech, NASA Explanation: The Trifid Nebula, also known as Messier 20, is easy to find with a small telescope. About 30 light-years across and 5,500 light-years distant it’s a popular stop for cosmic tourists in t