2023年6月18日 Saturn’s Northern Hexagon Image Credit & Copyright: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: Why would clouds form a hexagon on Saturn? Nobody is sure. Originally discovered during the Voyager flybys of Saturn in the 1980s, nobody has ever seen anything like it an […]
2023年6月17日 Planet Earth at Night II Video Credit: NASA, Gateway to Astronaut Photography, ISS Expedition 53; Music: The Low Seas (The 126ers) Explanation: Recorded during 2017, timelapse sequences from the International Space Station are compiled in this serene video of planet Earth at Night. Fans o
2023年6月16日 Sunset to Sunrise over the Baltic Sea Image Credit & Copyright: Bernd Pröschold (TWAN) Explanation: This serene view from the coast of Sweden looks across the Baltic sea and compresses time, presenting the passage of one night in a single photograph. From sunset to sunrise, moonlight
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6月14日 The Shark Nebula Image Credit & Copyright: Stephen Kennedy Explanation: There is no sea on Earth large enough to contain the Shark nebula. This predator apparition poses us no danger as it is composed only of interstellar gas and dust. Dark dust like that featured here is somewhat li
2023年6月12日 The Largest Satellites of Earth Image Credit & Copyright: Tianyao Yang Explanation: What’s that near the Moon? It’s the International Space Station (ISS). Although the ISS may appear to be physically near the Moon, it is not — it is physically near the Earth. In low Earth orbit and c
2023年6月11日 The Sun and Its Missing Colors Image Credit: Nigel Sharp (NSF), FTS, NSO, KPNO, AURA, NSF Explanation: Here are all the visible colors of the Sun, produced by passing the Sun’s light through a prism-like device. The spectrum was created at the McMath-Pierce Solar Observatory and sho
2023年6月10日 Mars and the Beehive Image Credit & Copyright: Rolando Ligustri Explanation: This month, bright Mars and brilliant Venus are the prominent celestial beacons in planet Earth’s western skies after sunset. Wandering through the constellation Cancer the Crab, the Red Planet was cap
2023年6月9日 Pandora’s Cluster of Galaxies Image Credit: NASA, ESA, CSA, Ivo Labbe (Swinburne), Rachel Bezanson (University of Pittsburgh), Processing: Alyssa Pagan (STScI) Explanation: This deep field mosaicked image presents a stunning view of galaxy cluster Abell 2744 from the James Webb Space
