2023年10月16日 Eclipse Rings Image Credit & Copyright: Jerry Zhang (left), Baolong Chen (photographer) & Amber Zhang (right) Explanation: She knew everything but the question. She was well aware that there would be a complete annular eclipse of the Sun visible from their driving destination: […]
2023年10月14日 Circular Sun Halo Image Credit & Copyright: Vincenzo Mirabella Explanation: Want to see a ring around the Sun? It’s easy to do in daytime skies around the world. Created by randomly oriented ice crystals in thin high cirrus clouds, circular 22 degree halos are visible much mor
2023年10月13日 Hydrogen Clouds of M33 Image Credit & Copyright: Reinhold Wittich Explanation: Gorgeous spiral galaxy Messier 33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a m
2023年10月12日 Mu Cephei Image Credit & Copyright: David Cruz Explanation: Mu Cephei is a very large star. An M-class supergiant some 1500 times the size of the Sun, it is one of the largest stars visible to the unaided eye, and even one of the largest in the entire Galaxy. If it replaced the Sun
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
2023年10月10日 Hidden Orion from Webb Image Credit & License: NASA, ESA, CSA, JWST; Processing: M. McCaughrean & S. Pearson Explanation: The Great Nebula in Orion has hidden stars. To the unaided eye in visible light, it appears as a small fuzzy patch in the constellation of Orion. But this i
2023年10月9日 A Distorted Sunrise Eclipse Image Credit & Copyright: Elias Chasiotis Explanation: Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness, the Sun appeared to rise in two pieces and during a partial eclipse in 2019, causing the photographer to describe it as
2023年10月8日 Plane, Clouds, Moon, Spots, Sun Image Credit & Copyright: Doyle and Shannon Slifer Explanation: What’s that in front of the Sun? The closest object is an airplane, visible just below the Sun’s center and caught purely by chance. Next out are numerous clouds in Earth’
2023年10月6日 The Once and Future Stars of Andromeda Image Credit: NASA, NSF, NOAJ, Hubble, Subaru, Mayall, DSS, Spitzer; Processing & Copyright: Robert Gendler & Russell Croman Explanation: This picture of Andromeda shows not only where stars are now, but where stars will be. The big, beauti
