解开星系M51
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标签： spiral galaxy
星系NGC 1055
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NGC 253: 满是尘埃的星系
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NGC 1566: 韦伯与哈勃的螺旋星系影像
2024年2月6日 NGC 1566: A Spiral Galaxy from Webb and Hubble Image Credit & Copyright: NASA, ESA, CSA, STScI, J. Lee (STScI), T. Williams (Oxford), R. Chandar (UToledo), D. Calzetti (UMass), PHANGS Team Explanation: What’s different about this galaxy? Very little, which makes the Spanish Dancer galaxy, NGC 1566, one of the most typical and photogenic ...
NGC 1232: 宏伟的螺旋星系
2024年1月1日 NGC 1232: A Grand Design Spiral Galaxy Image Credit: FORS, 8.2-meter VLT Antu, ESO Explanation: Galaxies are fascinating not only for what is visible, but for what is invisible. Grand spiral galaxy NGC 1232, captured in detail by one of the Very Large Telescopes, is a good example. The visible is dominated by millions of bright stars and dark dust,...
IC 342: 尘豹座的隐藏星系
2023年11月22日 IC 342: Hidden Galaxy in Camelopardalis Image Credit & Copyright: Steve Cannistra Explanation: Similar in size to large, bright spiral galaxies in our neighborhood, IC 342 is a mere 10 million light-years distant in the long-necked, northern constellation Camelopardalis. A sprawling island universe, IC 342 would otherwise be a prominent gala...
NGC 1097: 有超新星的螺旋星系
2023年10月11日 NGC 1097: Spiral Galaxy with Supernova Image Data: Telescope Live (Chile); Image Processing & Copyright: Bernard Miller Explanation: What’s happening in the lower arm of this spiral galaxy? A supernova. Last month, supernova SN 2023rve was discovered with UAE‘s Al-Khatim Observatory and later found to be consistent with the death...
Arp 142：蜂鸟星系
2023年9月25日 Arp 142: The Hummingbird Galaxy Image Credit: NASA, ESA, Hubble, HLA; Processing & Copyright: Basudeb Chakrabarti Explanation: What’s happening to this spiral galaxy? Just a few hundred million years ago, NGC 2936, the upper of the two large galaxies shown at the bottom, was likely a normal spiral galaxy — spinning, creating stars...
NGC 7331及其后方的天体
2023年9月14日 NGC 7331 and Beyond Image Credit & Copyright: Ian Gorenstein Explanation: Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not incl...
韦伯影像: 不寻常的螺旋星系M66
2023年8月29日 Unusual Spiral Galaxy M66 from Webb Image Credit: NASA, ESA, CSA, JWST; Processing: Brian Tomlinson Explanation: Why isn’t spiral galaxy M66 symmetric? Usually, density waves of gas, dust, and newly formed stars circle a spiral galaxy‘s center and create a nearly symmetric galaxy. The differences between M66’s spiral arms and the...