2023年9月8日 Star Factory Messier 17 Image Credit & Copyright: Kim Quick, Terry Hancock, and Tom Masterson (Grand Mesa Observatory) Explanation: Sculpted by stellar winds and radiation, the star factory known as Messier 17 lies some 5,500 light-years away in the nebula-rich constellation Sagittari […]
2023年9月7日 The Large Cloud of Magellan Image Credit & Copyright: Chris Willocks Explanation: The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern sky during the first circumnavigation of planet Earth. As a result, two fuzzy cloud-like obj
2023年9月6日 HESS Telescopes Explore the High-Energy Sky Credit & Copyright: Video Credit & Copyright: Jeff Dai (TWAN), H.E.S.S. Collaboration; Music: Ibaotu catalog number 1044988 (Used with permission) Explanation: They may look like modern mechanical dinosaurs, but they are enormous swivel
2023年9月5日 Blue Supermoon Beyond Syracuse Credit & Copyright: Kevin Saragozza Explanation: The last full moon was doubly unusual. First of all, it was a blue moon. A modern definition of a blue moon is a second full moon to occur during one calendar month. Since there are 13 full moons in 2023,
2023年9月4日 Cygnus: Bubble and Crescent Credit & Copyright: Abdullah Al-Harbi Explanation: As stars die, they create clouds. Two stellar death clouds of gas and dust can be found toward the high-flying constellation of the Swan (Cygnus) as they drift through rich star fields in the plane of our M
2023年9月3日 Comet Schwassmann-Wachmann 3 Fragments Credit: NASA, ESA, H. Weaver (JHU / APL), M. Mutchler and Z. Levay (STScI) Explanation: Periodic comet 73P/Schwassmann-Wachmann 3 has broken up at least twice. A cosmic souffle of ice and dust left over from the early solar system, this comet was firs
2023年9月2日 NGC 7023: The Iris Nebula Image Credit & Copyright: Lorand Fenyes Explanation: These cosmic clouds have blossomed 1,300 light-years away in the fertile starfields of the constellation Cepheus. Called the Iris Nebula, NGC 7023 is not the only nebula to evoke the imagery of flowers. Sti
2023年9月1日 The Great Globular Cluster in Hercules Image Credit & Copyright: Serge Brunier, Jean-François Bax, David Vernet OCA/C2PU 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 th
2023年8月31日 The Crew-7 Nebula Image Credit & Copyright: Michael Seeley Explanation: Not the James Webb Space Telescope’s latest view of a distant galactic nebula, this illuminated cloud of gas and dust dazzled early morning spacecoast skygazers on August 26. The snapshot was taken about 2
2023年8月30日 Full Moons of August Image Credit & Copyright: Gianni Tumino Explanation: Near perigee, the closest point in its almost moonthly orbit, a Full Moon rose as the Sun set on August 1. Its brighter than average lunar disk was captured in this dramatic moonrise sequence over dense cloud b
