作者姓名:NASA中文

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北纬63度的日晕

2022年12月21日 Sun Halo at Sixty-three Degrees North Image Credit & Copyright: Goran Strand Explanation: Happy Solstice! Today is the December solstice, marking an astronomical beginning of summer in the southern hemisphere and winter in the north. On its yearly trek through planet Earth’s s […]

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向洞察号火星着陆器说“再见”

On Dec. 18, 2022, InSight did not respond to communications from Earth. As expected, the lander’s power has been declining for months, and it’s assumed InSight may have reached its end of operations. NASA will declare the mission over when InSight misses two consecutive communication sessions with t

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雷神的头盔

2022年12月20日 Thor’s Helmet Image Credit & Copyright: Hannah Rochford Explanation: Thor not only has his own day (Thursday), but a helmet in the heavens. Popularly called Thor’s Helmet, NGC 2359 is a hat-shaped cosmic cloud with wing-like appendages. Heroically sized even for a Norse

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NASA、穆格SureFly测试飞机噪音

NASA is taking a leading role to help integrate new types of Advanced Air Mobility aircraft like air taxis and delivery drones into the sky, helping emerging markets to safely develop an air transportation system that moves people and cargo between places previously not served or underserved by avia

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蝌蚪星云的气体和尘埃

2022年12月19日 The Tadpole Nebula in Gas and Dust Image Credit & Copyright: Craig Stocks (Utah Desert Remote Observatories) Explanation: What’s causing the commotion in the Tadpole Nebula? Star formation. Dusty emission in the Tadpole Nebula, IC 410, lies about 12,000 light-years away in the

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夜空最亮的二十五颗星

2022年12月18日 25 Brightest Stars in the Night Sky Image Credit & Copyright: Tragoolchitr Jittasaiyapan Explanation: Do you know the names of some of the brightest stars? It’s likely that you do, even though some bright stars have names so old they date back to near the beginning of written

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摄于VIP点的阿波罗17号立体图

2022年12月17日 Apollo 17 VIP Site Anaglyph Image Credit: Gene Cernan, Apollo 17, NASA; Anaglyph by Erik van Meijgaarden Explanation: Get out your red/blue glasses and check out this stereo scene from Taurus-Littrow valley on the Moon! The color anaglyph features a detailed 3D view of Apollo 17’s

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双子座流星

2022年12月16日 The Geminid Image Credit & Copyright: Jeff Dai (TWAN) Explanation: Returning from beyond the Moon, on December 11 the Orion spacecraft entered Earth’s atmosphere at almost 11 kilometers per second. That’s half the speed of the grain of dust that created this long firebal

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