朱诺号在木星南极右下方的位置看到一个新的，小的气旋。 Credits: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM 为了直观感受气旋的大小，NASA在中央气旋上放置了美国地图，新发现的气旋上放置了德克萨斯州的地图。 Credits: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM 2019年11月3日，在朱诺号第22次飞越木星南极上空时，NASA科学家在木星南极发现了一个新的气旋，当时朱诺号位于木星云顶上方大约3500公里。 朱诺号木星探测器于2016年7月首次抵达木星，它的红外和可见光相机在木星北极发现了9个巨大气旋，南极发现了6个。这 […]
In this image from December 2000, the Expedition One crew–the first to permanently inhabit the International Space Station–are about to eat a treat of fresh oranges onboard the Zvezda Service Module. Pictured, from the left, are Soyuz commander Yuri P. Gidzenko, Station commander William
2019 December 13 Full Moon Geminids Image Credit & Copyright: Juan Carlos Casado (TWAN) Explanation: The dependable annual Geminid meteor shower will be near its peak tonight (December 13/14) and before tomorrow’s dawn. As Earth crosses through the dusty trail of active asteroid 3200 Phaet
This image of North and South America at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012. The new data was mapped over existing Blue Marble imagery of Earth to provide a realistic view of the planet. For more such images of our planet, read Eart
2019 December 12 Decorating the Sky Image Credit & Copyright: Leonardo Julio (Astronomia Pampeana) Explanation: Bright stars, clouds of dust and glowing nebulae decorate this cosmic scene, a skyscape just north of Orion’s belt. Close to the plane of our Milky Way galaxy, the wide field vie
从太空中拍摄到的地球冰川和冰原的新延时视频——有些已有近50年历史——为科学家提供了了解地球冰冻区域变化的新视角。 从太空中拍摄的地球冰川和冰原的新延时视频跨越了近50年，为科学家们提供了了解地球冰冻区域变化的新视角。 来源：NASA / Matt Radcliff 在12月9日于旧金山举行的美国地球物理联合会年会上的一次新闻发布会上，科学家使用来自包括NASA-U.S. 地球资源探测卫星(Landsat)任务在内的卫星数据发布了阿拉斯加，格陵兰和南极洲的新时间序列图像。一系列的图片说明了阿拉斯加冰川的巨大变化，并可能警告未来哈伯德冰川的消退。在格陵兰岛，不同的卫星记录显示，从2000年开始，
Meltwater lakes form on the surface of Greenland’s Petermann Glacier, seen here in a June 2019 Landsat image. A new study finds that the number – and elevation – of meltwater lakes in Greenalnd is increasing. How do scientists know? Earth’s glaciers and ice sheets as seen from space – some spanning
2019 December 11 N63A: Supernova Remnant in Visible and X-ray Image Credit: NASA, ESA, Hubble, Chandra; Processing & License: Judy Schmidt Explanation: What has this supernova left behind? As little as 2,000 years ago, light from a massive stellar explosion in the Large Magellanic Cloud (LMC) fi
To make room for the latest cargo craft, on Nov. 29 the Progress 73 departed the station after undocking from the Pirs docking compartment, as shown in this image. Loaded with trash, the craft was deorbited a few hours later and burned up safely over the Pacific Ocean. Traveling approximately 260 mi
2019 December 10 Starlink Satellite Trails over Brazil Image Credit & Copyright: Egon Filter Explanation: What are those streaks over the horizon? New Starlink satellites reflecting sunlight. SpaceX launched 60 Starlink communication satellites in May and 60 more in November. These satellites an
