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6月15日 M15: Dense Globular Star Cluster Image Credit: NASA, ESA, Hubble Legacy Archive; Processing: Ehsan Ebrahimian Explanation: Messier 15 is an immense swarm of over 100,000 stars. A 13 billion year old relic of the early formative years of our galaxy it’s one of about 170 globular star
2023年3月30日 NGC 4372 and the Dark Doodad Image Credit & Copyright: Matias Tomasello Explanation: The delightful Dark Doodad Nebula drifts through southern skies, a tantalizing target for binoculars toward the small constellation Musca, The Fly. The dusty cosmic cloud is seen against rich starfie
2023年3月16日 Millions of Stars in Omega Centauri Image Credit & Copyright: Neil Corke, Heaven’s Mirror Observatory Explanation: Globular star cluster Omega Centauri, also known as NGC 5139, is 15,000 light-years away. The cluster is packed with about 10 million stars much older than the Sun
2023年2月20日 NGC 1850: Not Found in the Milky Way Image Credit: NASA, ESA and P. Goudfrooij (STScI); Processing: M. H. Özsaraç (Türkiye Astronomi Derneği) Explanation: There is nothing like this ball of stars in our Milky Way Galaxy. This is surprising because, at first glance, this featured image by
2023年1月30日 Globular Star Cluster NGC 6355 from Hubble Image Credit: ESA/Hubble & NASA, E. Noyola, R. Cohen Explanation: Globular clusters once ruled the Milky Way. Back in the old days, back when our Galaxy first formed, perhaps thousands of globular clusters roamed our Galaxy. Today, there are
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
2022年3月10日 Globular Star Cluster 47 Tuc Image Credit & Copyright: Bernard Miller Explanation: Globular star cluster 47 Tucanae is a jewel of the southern sky. Also known as NGC 104, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters. The second brightest
2021年12月12日 Comet Leonard Before Star Cluster M3 Image Credit & Copyright: Dan Bartlett Explanation: Comet Leonard is now visible to the unaided eye — but just barely. Passing nearest to the Earth today, the comet is best seen this week soon after sunset, toward the west, low on the horiz
2021年10月19日 Palomar 6: Globular Star Cluster Image Credit: ESA/Hubble and NASA, R. Cohen Explanation: Where did this big ball of stars come from? Palomar 6 is one of about 200 globular clusters of stars that survive in our Milky Way Galaxy. These spherical star-balls are older than our Sun as well a
