2021年05月22日 Markarian’s Chain Image Credit & Copyright: Ginge Anvik Explanation: Near the heart of the Virgo Galaxy Cluster the string of galaxies known as Markarian’s Chain stretches across this deep telescopic field of view. Anchored in the frame at bottom center by prominent lent […]
2021年05月21日 Utopia on Mars Image Credit: NASA, The Viking Project, M. Dale-Bannister (Washington University) Explanation: Expansive Utopia Planitia on Mars is strewn with rocks and boulders in this 1976 image. Constructed from the Viking 2 lander’s color and black and white image data, the sce
2021年05月20日 M13: The Great Globular Cluster in Hercules Image Credit & Copyright: Martin Dufour Explanation: In 1716, English astronomer Edmond Halley noted, “This is but a little Patch, but it shews itself to the naked Eye, when the Sky is serene and the Moon absent.” Of course, M1
2021年05月19日 The Jellyfish and Mars Image Credit & Copyright: Jason Guenzel Explanation: Normally faint and elusive, the Jellyfish Nebula is caught in this alluring scene. In the telescopic field of view two bright yellowish stars, Mu and Eta Geminorum, stand just below and above the Jellyfish N
2021年05月18日 Jets from the Necklace Nebula Image Credit: ESA, Hubble, NASA; Processing: K. Noll Explanation: What celestial body wears the Necklace Nebula? First, analyses indicate that the Necklace is a planetary nebula, a gas cloud emitted by a star toward the end of its life. Also, what appears to
2021年05月17日 NGC 4565: Galaxy on Edge Image Credit & Copyright: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum) Explanation: Is our Milky Way Galaxy this thin? Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for
2021年05月16日 NGC 602 and Beyond Image Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) – ESA/Hubble Collaboration Explanation: The clouds may look like an oyster, and the stars like pearls, but look beyond. Near the outskirts of the Small Magellanic Cloud, a satellite galaxy some 20
2021年05月15日 The Southern Cliff in the Lagoon Image Credit: Julia I. Arias and Rodolfo H. Barba’ (Dept. Fisica, Univ. de La Serena), ICATE-CONICET, Gemini Observatory/AURA Explanation: Undulating bright ridges and dusty clouds cross this close-up of the nearby star forming region M8, also known
2021年05月14日 M104: The Sombrero Galaxy Image Credit & Copyright: Bray Falls Explanation: A gorgeous spiral galaxy, M104 is famous for its nearly edge-on profile featuring a broad ring of obscuring dust lanes. Seen in silhouette against an extensive central bulge of stars, the swath of cosmic dus
2021年05月13日 The Comet, the Whale, and the Hockey Stick Image Credit & Copyright: Grand Mesa Observatory, Terry Hancock / Tom Masterson Explanation: Closest to the Sun on March 1, and closest to planet Earth on April 23, this Comet ATLAS (C/2020 R4) shows a faint greenish coma and short tail in
