天文·每日一图

天文·每日一图

M13: 武仙座大星团

2022年8月4日 M13: The Great Globular Cluster in Hercules Image Credit & Copyright: Joan Josep Isach Cogollos Explanation: In 1716, English astronomer Edmond Halley noted, “This is but a little Patch, but it shows itself to the naked Eye, when the Sky is serene and the Moon absent.” Of […]

天文·每日一图

猫眼星云的外晕

2022年8月3日 Halo of the Cat’s Eye Image Credit & Copyright: Bray Falls Explanation: What created the unusual halo around the Cat’s Eye nebula? No one is sure. What is sure is that the Cat’s Eye Nebula (NGC 6543) is one of the best known planetary nebulae on the sky. Although hau

天文·每日一图

扮成土星的月亮

2022年8月2日 A Moon Dressed Like Saturn Image Credit & Copyright: Francisco Sojuel Explanation: Why does Saturn appear so big? It doesn’t — what is pictured are foreground clouds on Earth crossing in front of the Moon. The Moon shows a slight crescent phase with most of its surface vis

天文·每日一图

船底座星云的尘埃山

2022年8月1日 Mountains of Dust in the Carina Nebula Image Credit: NASA, ESA, Hubble; Proccessing: Javier Pobes Explanation: It’s stars versus dust in the Carina Nebula and the stars are winning. More precisely, the energetic light and winds from massive newly formed stars are evaporating and disp

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哈勃望远镜的星暴星系M94

2022年7月31日 Starburst Galaxy M94 from Hubble Image Credit: ESA/Hubble & NASA Explanation: Why does this galaxy have a ring of bright blue stars? Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the Hunting Dogs (Canes Venatici). A p

天文·每日一图

腾空的老鹰号

2022年7月30日 The Eagle Rises Image Credit: Apollo 11, NASA – Stereo Image Copyright: John Kaufmann (ALSJ) Explanation: Get out your red/blue glasses and check out this stereo view from lunar orbit. The 3D anaglyph was created from two photographs (AS11-44-6633, AS11-44-6634) taken by astronaut M

天文·每日一图

索菲亚天文台的南极光

2022年7月29日 SOFIA’s Southern Lights Image Credit & Copyright: Ian Griffin (Otago Museum) Explanation: SOFIA, the Stratospheric Observatory for Infrared Astronomy, is a Boeing 747SP aircraft modified to carry a large reflecting telescope into the stratosphere. The ability of the airborne fa

天文·每日一图

北天极与古树

2022年7月28日 North Celestial Tree Image Credit & Copyright: Jeff Dai (TWAN) Explanation: An ancient tree seems to reach out and touch Earth’s North Celestial Pole in this well-planned night skyscape. Consecutive exposures for the timelapse composition were recorded with a camera fixed to a

天文·每日一图

丹麦上空的满月与云隙光

2022年7月27日 Crepuscular Moon Rays over Denmark Image Credit & Copyright: Ruslan Merzlyakov (astrorms) Explanation: This moon made quite an entrance. Typically, a moonrise is quiet and serene. Taking a few minutes to fully peek above the horizon, Earth’s largest orbital companion can remain

天文·每日一图

亚得里亚海上空的新智彗星

2022年7月26日 Comet NEOWISE Rising over the Adriatic Sea Video Credit & Copyright: Paolo Girotti Explanation: This sight was worth getting out of bed early. Two years ago this month, Comet C/2020 F3 (NEOWISE) rose before dawn to the delight of northern sky enthusiasts awake that early. Up before s

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