按月归档： 3 月 2023

NASA·每日一图

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Crew-5夜间溅落

The SpaceX Dragon Endurance spacecraft is seen as it lands with Crew-5 mission members aboard on Saturday, March 11, 2023. The crew returned in a parachute-assisted splashdown at 9:02 p.m. EST. During the 156.5 days they spent aboard the International Space Station as part of Expedition 68, Crew-5 participated in several spacewalks to prepare the space stati...

天文·每日一图

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彩虹树

2023年3月13日 Rainbow Tree Image Credit & Copyright: Eric Houck Explanation: What lies at the end of a rainbow? Something different for everyone. For the photographer taking this picture, for example, one end of the rainbow ended at a tree. Others nearby, though, would likely see the rainbow end somewhere else. The reason is because a rainbow’s posit...

天文·每日一图

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土卫七: 有古老陨石坑的卫星

2023年3月12日 Saturn’s Hyperion: A Moon with Odd Craters Image Credit: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: What lies at the bottom of Hyperion’s strange craters? To help find out, the robot Cassini spacecraft that once orbited Saturn swooped past the sponge-textured moon and took images of unprecedented detail. A six-image mosaic ...

天文·每日一图

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贝努小行星的立体图像

2023年3月11日 3D Bennu Image Credit: NASA, GSFC, U. Arizona – Stereo Image Copyright: Patrick Vantuyne Explanation: Put on your red/blue glasses and float next to asteroid 101955 Bennu. Shaped like a spinning toy top with boulders littering its rough surface, the tiny Solar System world is about one Empire State Building (less than 500 meters) across. Fra...

新闻

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NASA一周新闻（2023年3月10日）

阿尔忒弥斯系统已经准备好运送宇航员…

阿尔忒弥斯火箭发动机的热火试验…

以及教育和激励阿耳特弥斯一代…

最近新闻速递，尽在「本周NASA」！

天文·每日一图

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猎户座大星云与跑步者星云

2023年3月10日 Orion and the Running Man Image Credit & Copyright: Abraham Jones Explanation: Few cosmic vistas excite the imagination like The Great Nebula in Orion. Visible as a faint celestial smudge to the naked-eye, the nearest large star-forming region sprawls across this sharp telescopic image, recorded on a cold January night in dark skies from West...

NASA·每日一图

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一缕阳光

The Moon is seen passing in front of the Sun during a solar eclipse from Ross Lake, Northern Cascades National Park, Washington on Aug. 21, 2017. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina. A partial solar eclipse was visible across the entire North American con...

天文·每日一图

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DART太空船与双卫一

2023年3月9日 DART vs Dimorphos Image Credit: NASA, Johns Hopkins APL, DART Explanation: On the first planetary defense test mission from planet Earth, the DART spacecraft captured this close-up on 26 September 2022, three seconds before slamming into the surface of asteroid moonlet Dimorphos. The spacecraft’s outline with two long solar panels is traced a...