标签: 星流

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NGC 3521:气泡里的星系

2022年5月5日 NGC 3521: Galaxy in a Bubble Image Credit & Copyright: Mark Hanson and Mike Selby Explanation: Gorgeous spiral galaxy NGC 3521 is a mere 35 million light-years away, toward the northern springtime constellation Leo. Relatively bright in planet Earth’s sky, NGC 3521 is easily visible in small telescopes but often overlooked by amateur ima...

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星系NGC 1055

2020年12月24日 Portrait of NGC 1055 Image Credit & Copyright: Martin Pugh Explanation: Big, beautiful spiral galaxy NGC 1055 is a dominant member of a small galaxy group a mere 60 million light-years away toward the aquatically intimidating constellation Cetus. Seen edge-on, the island universe spans over 100,000 light-years, a little larger than our own M...