发射星云

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玫瑰不必是红色的

2024年2月9日 When Roses Aren’t Red Image Credit & Copyright: Tommy Lease (Denver Astronomical Society) Explanation: Not all roses are red of course, but they can still be very pretty. Likewise, the beautiful Rosette Nebula and other star forming regions are often shown in astronomical images […]

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NGC 1499: 加州星云

2023年12月19日 NGC 1499: The California Nebula Image Credit & Copyright: Steven Powell Explanation: Could Queen Calafia‘s mythical island exist in space? Perhaps not, but by chance the outline of this molecular space cloud echoes the outline of the state of California, USA. Our Sun has its h

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仙后座“策”与幽灵状星云

2023年10月28日 The Ghosts of Gamma Cas Image Credit & Copyright: Guillaume Gruntz, Jean-François Bax Explanation: Gamma Cassiopeiae shines high in northern autumn evening skies. It’s the brightest spiky star in this telescopic field of view toward the constellation Cassiopeia. Gamma Cas shar

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开心果星云

2023年8月22日 The Pistachio Nebula Credit & Copyright: Bray Falls & Chester Hall-Fernandez Explanation: This nebula had never been noted before. Newly discovered nebulas are usually angularly small and found by professionals using large telescopes. In contrast, the Pistachio Nebula was discov

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IC 4628:斑节虾星云

2023年7月26日 IC 4628: The Prawn Nebula Image Credit & Copyright: Daniel Stern Explanation: South of Antares, in the tail of the nebula-rich constellation Scorpius, lies emission nebula IC 4628. Nearby hot, massive stars, millions of years young, irradiate the nebula with invisible ultraviolet lig

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M16:鹰状星云的深场影像

2023年5月15日 M16: Eagle Nebula Deep Field Image Credit & Copyright: Gianni Lacroce Explanation: From afar, the whole thing looks like an eagle. A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. Through this win

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W5: 灵魂星云

2023年3月14日 W5: The Soul Nebula Image Credit & Copyright: José Jiménez (Astromet) Explanation: Stars are forming in the Soul of the Queen of Aethopia. More specifically, a large star forming region called the Soul Nebula can be found in the direction of the constellation Cassiopeia, whom Greek m

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Ou4:巨乌贼星云

2022年10月12日 Ou4: The Giant Squid Nebula Image Credit & Copyright: Tommy Lease Explanation: A mysterious squid-like cosmic cloud, this nebula is very faint, but also very large in planet Earth’s sky. In the image, composed with 30 hours of narrowband image data, it spans nearly three full

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蝎虎座星云的波纹

2022年9月14日 Waves of the Great Lacerta Nebula Image Credit & Copyright: Jarmo Ruuth, Telescope Live; Text: Ata Sarajedini (Florida Atlantic U., Astronomy Minute podcast) Explanation: It is one of the largest nebulas on the sky — why isn’t it better known? Roughly the same angular siz

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郁金香星云与天鹅座X-1

2022年9月1日 The Tulip and Cygnus X-1 Image Credit & Copyright: Peter Kohlmann Explanation: Framing a bright emission region, this telescopic view looks out along the plane of our Milky Way Galaxy toward the nebula rich constellation Cygnus the Swan. Popularly called the Tulip Nebula, the reddish

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