2022年2月26日 Nearby Spiral Galaxy NGC 4945 Image Credit & Copyright: Dietmar Hager, Eric Benson Explanation: Large spiral galaxy NGC 4945 is seen nearly edge-on in this cosmic galaxy close-up. It’s almost the size of our Milky Way Galaxy. NGC 4945’s own dusty disk, young blue star clu […]
2022年2月21日 Barred Spiral Galaxy NGC 6217 Image Credit: NASA, ESA, and the Hubble SM4 ERO Team Explanation: Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a modest central bar. Prominently barred spiral galaxy NGC 6217, featured here, was capture
2022年1月19日 M31: The Andromeda Galaxy Image Credit: Subaru (NAOJ), Hubble (NASA/ESA), Mayall (NSF); Processing & Copyright: R. Gendler & R. Croman Explanation: The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy. Even at some two and a half million l
2021年10月15日 NGC 289: Swirl in the Southern Sky Image Credit & Copyright: Mike Selby Explanation: About 70 million light-years distant, gorgeous spiral galaxy NGC 289 is larger than our own Milky Way. Seen nearly face-on, its bright core and colorful central disk give way to remarkably faint, bl
2020年10月18日 UGC 1810: Wildly Interacting Galaxy from Hubble Image Credit: NASA, ESA, Hubble, HLA; Processing & Copyright: Domingo Pestana Explanation: What’s happening to this spiral galaxy? Although details remain uncertain, it surely has to do with an ongoing battle with its smaller gal
2020年8月16日 NGC 6814: Grand Design Spiral Galaxy from Hubble Image Credit: ESA/Hubble & NASA; Acknowledgement: Judy Schmidt Explanation: In the center of this serene stellar swirl is likely a harrowing black-hole beast. The surrounding swirl sweeps around billions of stars which are highlighted
2020 June 4 Portrait of NGC 3628 Image Credit & Copyright: Stefano Cancelli (1963-2020), Paul Mortfield Explanation: Sharp telescopic views of NGC 3628 show a puffy galactic disk divided by dark dust lanes. Of course, this deep portrait of the magnificent, edge-on spiral galaxy puts some astron
2019 December 5 Spiral Galaxy NGC 6744 Image Credit & Copyright: Zhuokai Liu, Jiang Yuhang Explanation: Beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years across, larger than our own Milky Way. It lies some 30 million light-years distant in the southern constellation Pavo and appears
2019 December 1 Starburst Galaxy M94 from Hubble Image Credit & Copyright: 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
2019 November 20 Arp 273: Battling Galaxies from Hubble Image Credit: NASA, ESA, Hubble; Processing & Copyright: Rudy Pohl Explanation: What’s happening to these spiral galaxies? Although details remain uncertain, there sure seems to be a titanic battle going on. The upper galaxy is labell
