2019 December 4 Electric Night Image Credit & Copyright: Ivan Pedretti Explanation: It may appear, at first, like the Galaxy is producing the lightning, but really it’s the Earth. The featured nighttime landscape was taken from a southern tip of the Italian Island of Sardinia in early June […]
2019 December 3 M27: The Dumbbell Nebula Image Credit & Copyright: Steve Mazlin Explanation: Is this what will become of our Sun? Quite possibly. The first hint of our Sun’s future was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of diffuse objects n
版权：NASA 阿耳忒弥斯1号（Artemis I）飞船已经移交进行重要测试；商业乘员计划（Commercial Crew Program）又迈进一大步；沙尘暴与火星上水的消失之间可能存在关联……最近新闻速递，尽在「本周NASA」！ 用于执行美国航空航天局（NASA）阿耳忒弥斯1号任务的猎户座（Orion）飞船于11月24日抵达俄亥俄州，搭乘的是NASA超级古比鱼（Super Guppy）运输机。猎户座飞船由乘员舱（crew module）和欧洲制造的服务舱（service module）组成，将在NASA位于俄亥俄州桑达斯基的梅溪观测站（Plum Brook Station）进行测试。在为期
2019 December 2 Mercury Crosses a Quiet Sun Video Credit: NASA, SDO, NASA’s Science Visualization Studio; Music: Gustav Sting (Kevin MacLeod) via YouTube Explanation: What’s that black dot crossing the Sun? The planet Mercury. Mercury usually passes over or under the Sun, as seen from Ea
Black holes are famous for ripping objects apart, including stars. But now, astronomers have uncovered a black hole that may have sparked the births of stars over a mind-boggling distance, and across multiple galaxies. If confirmed, this discovery, made with NASA’s Chandra X-ray Observatory and othe
2019 December 1 Starburst Galaxy M94 from Hubble Image Credit & Copyright: ESA/Hubble & NASA Explanation: Why does this galaxy have a ring of bright blue stars? Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the Hunting Dogs
2019 November 29 Galileo’s Europa Remastered Image Credit: NASA, JPL-Caltech, SETI Institute, Cynthia Phillips, Marty Valenti Explanation: Looping through the Jovian system in the late 1990s, the Galileo spacecraft recorded stunning views of Europa and uncovered evidence that the moon’s
Jason-CS/Sentinel-6任务将追踪海平面上升，这将是未来10年全球变暖最明显的迹象之一。该任务由两颗卫星组成，上图中是第一颗卫星Sentinel-6A正在位于德国的洁净室里进行展示，该卫星计划于2020年11月发射。 版权：德国工业设备管理公司（IABG） 地球上的气候正在发生改变，而关于海洋的研究对于理解气候变化对未来的影响至关重要。美国和欧洲正准备发射Sentinel-6/Jason-CS卫星，以继续研究全球变暖最明显的迹象 – 海平面上升。该卫星将在轨道上运行10年，将是持续时间最长的任务。Sentinel-6/Jason-CS任务（Jason-Continui
