2024年1月23日 Deep Nebulas: From Seagull to California Image Credit & Copyright: Alistair Symon Explanation: How well do you know the night sky? OK, but how well can you identify famous sky objects in a very deep image? Either way, here is a test: see if you can find some well-known night-sky icon […]
2024年1月22日 Shadows of Mountain and Moon Image Credit & Copyright: Enzo Massa Micon Explanation: Can the Moon and a mountain really cast similar shadows? Yes, but the division between light and dark does not have to be aligned. Pictured, a quarter moon was captured above the mountain Grivola in I
2024年1月21日 The Upper Michigan Blizzard of 1938 Image Credit: Bill Brinkman; Courtesy: Paula Rocco Explanation: Yes, but can your blizzard do this? In the Upper Peninsula of Michigan‘s Storm of the Century in 1938, some snow drifts reached the level of utility poles. Nearly a meter of new and u
2024年1月20日 Falcon Heavy Boostback Burn Image Credit & Copyright: Dennis Huff Explanation: The December 28 night launch of a Falcon Heavy rocket from Kennedy Space Center in Florida marked the fifth launch for the rocket’s reusable side boosters. About 2 minutes 20 seconds into the flight,
2024年1月19日 Jupiter over 2 Hours and 30 Minutes Image Credit & License: Aurélien Genin Explanation: Jupiter, our Solar System’s ruling gas giant, is also the fastest spinning planet, rotating once in less than 10 hours. The gas giant doesn’t rotate like a solid body though. A day on J
2024年1月18日 Northern Lights from the Stratosphere Image Credit & Copyright: Ralf Rohner Explanation: Northern lights shine in this night skyview from planet Earth’s stratosphere, captured on January 15. The single, 5 second exposure was made with a hand-held camera on board an aircraft abov
2024年1月17日 America and the Sea of Serenity Image Credit & Copyright: Gene Cernan, Apollo 17, NASA; Anaglyph by Patrick Vantuyne Explanation: Get out your red/blue glasses and check out this stereo view of another world. The scene was recorded by Apollo 17 mission commander Eugene Cernan on Decem
2024年1月16日 The Orion You Can Almost See Image Credit & Copyright: Michele Guzzini Explanation: Do you recognize this constellation? Although it is one of the most recognizable star groupings on the sky, this is a more full Orion than you can see — an Orion only revealed with long exposure
2024年1月15日 Star Cluster IC 348 from Webb Image Credit: NASA, ESA, CSA, STScI, and K. Luhman (Penn State U.) and C. Alves de Oliveira (ESA) Explanation: Sometimes, it’s the stars that are the hardest to see that are the most interesting. IC 348 is a young star cluster that illuminates surroundi
2024年1月14日 Dragon Aurora over Iceland Image Credit & Copyright: Jingyi Zhang & Wang Zheng Explanation: Have you ever seen a dragon in the sky? Although real flying dragons don’t exist, a huge dragon-shaped aurora developed in the sky over Iceland in 2019. The aurora was caused by a hol
