保护地球，探索宇宙，发现文明
2022年4月28日 Lyrid of the Lake Image Credit & Copyright: Jeff Dai (TWAN) Explanation: In the early hours of April 24 this bright Lyrid meteor flashed along the central Milky Way. For a moment, it cast a bright reflection across Lake Nian, Yunnan province, China. The annual Lyrid meteor shower, one of the oldest known, is active in late April, as our fair ...
2022年1月8日 Quadrantids of the North Image Credit & Copyright: Cheng Luo Explanation: Named for a forgotten constellation, the Quadrantid Meteor Shower puts on an annual show for planet Earth’s northern hemisphere skygazers. The shower’s radiant on the sky lies within the old, astronomically obsolete constellation Quadrans Muralis. That locati...
2021年12月17日 Geminid of the North Image Credit & Copyright: Alvin Wu Explanation: An arid expanse of the Tengger Desert in north-central China, planet Earth fills the foreground of this starry scene. A widefield panoramic view, it was recorded shortly after moonset in the local predawn hours of December 14. Pictured in the still dark sky, stars of the no...
2021年12月16日 Geminids of the South Image Credit & Copyright: Fefo Bouvier Explanation: Fireflies flash along a moonlit countryside in this scene taken on the night of December 13/14 from southern Uruguay, planet Earth. On that night meteors fell in the partly cloudy skies above during the annual Geminid meteor shower. Frames recorded over a period of 1.5...
每年十二月，我们都有机会看到我们最喜欢的流星雨之一——双子座流星雨。此次流星雨将持续到17日，并将在13日晚至14日上午达到高峰，这是观看流星雨的最佳时间。 所有的流星似乎都来自天空中的同一个地方，称为辐射点。双子座流星雨似乎从双子座中的一个点辐射出来，因此得名“双子座流星雨”。该图显示了NASA火球网络在2020年12月观测到的388颗时速为35公里/秒的流星的辐射。所有的辐射点都在双子座，这意味着它们属于双子座流星雨。 影像来源：美国宇航局 双子座是由一个被称为3200法厄同的天体的碎片造成的，它的起源是一些争论的话题。一些天文学家认为它是一颗已灭绝的彗星，根据观测结果表明，有少量物质离开法厄同的表面。另一些人则认为它一定是小行星，因为它的轨道和它与主带小行星帕拉斯相似。 无论法厄同的性质如何，观察结果显示...
2021年11月16日 Geminids from Gemini Image Credit & Copyright: Wang Jin 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 the Geminids — because shower meteors all appear to come from a radiant toward G...
2021年9月28日 Night of the Perseids Video Credit & Copyright: Vikas Chander & Dorje Angchuk; Music: Tea Time via PremiumBeat Explanation: Have you ever experienced a meteor shower? To help capture the wonder, a video was taken during the peak of the recent Perseid meteor shower above the Indian Astronomical Observatory in Hanle, India, high up in the ...
2021年9月24日 Perseid Outburst at Westmeath Lookout Image Credit & Copyright: Pierre Martin Explanation: This year an outburst of Perseid meteors surprised skywatchers. The reliable meteor shower’s peak was predicted for the night of August 12/13. But persistent visual observers in North America were deluged with a startling Perseid shower outburst a...
2021年8月20日 Three Perseid Nights Image Credit & Copyright: Balint Lengyel Explanation: Frames from a camera that spent three moonless nights under the stars create this composite night skyscape. They were recorded during August 11-13 while planet Earth was sweeping through the dusty trail of comet Swift-Tuttle. One long exposure, untracked for the foregr...
2021年8月19日 Bright Meteor, Starry Sky Image Credit & Copyright: Miguel Claro (TWAN, Dark Sky Alqueva) Explanation: Plowing through Earth’s atmosphere at 60 kilometers per second, this bright perseid meteor streaks along a starry Milky Way. Captured in dark Portugal skies on August 12, it moves right to left through the frame. Its colorful trail sta...