2023年12月17日 Geminids over China’s Nianhu Lake Image Credit & Copyright: Hongyang Luo Explanation: Where are all of these meteors coming from? In terms of direction on the sky, the pointed answer is the constellation of Gemini. That is why the major meteor shower in December is known as th […]
2022年9月6日 An Iridescent Pileus Cloud over China Image Credit & Copyright: Jiaqi Sun （孙嘉琪） Explanation: Yes, but how many dark clouds have a multicolored lining? Pictured, behind this darker cloud, is a pileus iridescent cloud, a group of water droplets that have a uniformly similar size and so
2022年6月27日 The Gum Nebula over Snowy Mountains Image Credit & Copyright: Wang Jin Explanation: The Gum Nebula is so large and close it is actually hard to see. This interstellar expanse of glowing hydrogen gas frequently evades notice because it spans 35 degrees — over 70 full Moons ̵
2021年8月3日 A Perseid Fireball and the Milky Way Image Credit & Copyright: Dandan Huang Explanation: It was bright and green and flashed as it moved quickly along the Milky Way. It left a trail that took 30 minutes to dissipate. Given the day, August 12, and the direction, away from Perseus, it w
2020年12月31日 Trail of the Returner Image Credit & Copyright: Zhuoxiao Wang Explanation: Familiar stars of a northern winter’s night shine in this night skyview, taken near Zhangye, Gansu, China and the border with Inner Mongolia. During the early hours of December 17 Orion is near center i
2020年12月05日 Mons Rumker in the Ocean of Storms Image Credit & Copyright: Jean-Yves Letellier Explanation: Mons Rumker, a 70 kilometer wide complex of volcanic domes, rises some 1100 meters above the vast, smooth lunar mare known as Oceanus Procellarum, the Ocean of Storms. Daylight came to the
