标签: emission nebula

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 moons toward the royal constellation Cepheus. Discovered in ...

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 size as the Andromeda Galaxy, the Great Lacerta Nebula can be f...

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 glowing cloud of interstellar gas and dust is also found in ...

移除恒星后的礁湖星云

2022年8月8日 The Lagoon Nebula without Stars Image Credit & Copyright: Sameer Dhar Explanation: Ridges of glowing interstellar gas and dark dust clouds inhabit the turbulent, cosmic depths of the Lagoon Nebula. Also known as M8, the bright star forming region is about 5,000 light-years distant. But it still makes for a popular stop on telescopic tours of t...

美丽的三叶星云

2022年8月5日 A Beautiful Trifid Image Credit & Copyright: Vikas Chander Explanation: The beautiful Trifid Nebula is a cosmic study in contrasts. Also known as M20, it lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy, the Trifid does illustrate three different types of astro...

NGC 6334: 猫爪星云

2022年5月10日 NGC 6334: The Cat’s Paw Nebula Image Credit & Copyright: Stefan Steve Bemmerl & Team Wolfatorium (Hakos/Namibia) Explanation: Nebulas are perhaps as famous for being identified with familiar shapes as perhaps cats are for getting into trouble. Still, no known cat could have created the vast Cat’s Paw Nebula visible toward the...

NGC 3572与南天的蝌蚪状云气

2022年5月6日 NGC 3572 and the Southern Tadpoles Image Credit & Copyright: Carlos Taylor Explanation: This cosmic skyscape features glowing gas and dark dust clouds along side the young stars of NGC 3572. A beautiful emission nebula and star cluster it sails far southern skies within the nautical constellation Carina. Stars from NGC 3572 are toward top cent...

心脏星云的核心

2022年2月14日 In the Heart of the Heart Nebula Image Credit & Copyright: Adam Jensen Explanation: What excites the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. Its shape perhaps fitting of the Valentine’s Day, this heart glows brightly in red light emitted by its most prominent element: excited hy...

仙王座的NGC 7822

2022年1月20日 NGC 7822 in Cepheus Image Credit & Copyright: Mark Carter Explanation: Hot, young stars and cosmic pillars of gas and dust seem to crowd into NGC 7822. At the edge of a giant molecular cloud toward the northern constellation Cepheus, the glowing star forming region lies about 3,000 light-years away. Within the nebula, bright edges and dark sh...

美丽的三叶星云

2021年8月12日 A Beautiful Trifid Image Credit & Copyright: Mike Selby Explanation: The beautiful Trifid Nebula is a cosmic study in contrasts. Also known as M20, it lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy, the Trifid does illustrate three different types of astrono...