作者姓名:NASA中文

天文·每日一图

瑜珈石和伙伴们的立体影像

2020年8月22日 Yogi And Friends In 3D Image Credit & Copyright: IMP Team, JPL, NASA Explanation: From July of 1997, a ramp from the Pathfinder lander, the Sojourner robot rover, airbags, a couch, Barnacle Bill and Yogi Rock appear together in this 3D stereo view of the surface of Mars. Barnacle Bil […]

天文·每日一图

拉直后的星系M51

2020年8月21日 Unwinding M51 Image Credit & Copyright: Data – Hubble Heritage Project, Unwinding – Paul Howell Explanation: The arms of a grand design spiral galaxy 60,000 light-years across are unwound in this digital transformation of the magnificent 2005 Hubble Space Telescope portra

NASA·每日一图

空间站宇航员发现了吉纳维芙飓风

The crew aboard the International Space Station spotted Hurricane Genevieve off Mexico’s Pacific coast on Aug. 19, 2020. NASA’s Suomi NPP satellite also kept an eye on Hurricane Genevieve overnight and provided infrared imagery to forecasters who were monitoring the storm’s strength, str

NASA·每日一图

Canadarm2和日本的HTV-9再补给飞船

Eleven years after the launch of the first H-II Transfer cargo vehicle (HTV) to the International Space Station, the Japan Aerospace Exploration Agency’s (JAXA’s) HTV-9 will depart the orbital laboratory Tuesday, Aug. 18. This will be the final station departure of JAXA’s Kounotori, or “white stork,

天文·每日一图

透视土卫六

2020年8月20日 Seeing Titan Image Credit: VIMS Team, U. Arizona, U. Nantes, ESA, NASA Explanation: Shrouded in a thick atmosphere, Saturn’s largest moon Titan really is hard to see. Small particles suspended in the upper atmosphere cause an almost impenetrable haze, strongly scattering light at vi

天文·每日一图

自转的太阳

2020年8月19日 The Sun Rotating Video Credit: SDO, NASA; Digital Composition: Kevin M. Gill Explanation: Does the Sun change as it rotates? Yes, and the changes can vary from subtle to dramatic. In the featured time-lapse sequences, our Sun — as imaged by NASA’s Solar Dynamics Observatory &#

新闻

SpaceX的第100次发射,成功发射第11批星链卫星

北京时间8月18日22时31分,六手猎鹰9号(B1049.6)发射升空。 Credit:SpaceX 北京时间8月18日22时31分,SpaceX在卡纳维拉尔角空军基地SLC-40使用六手猎鹰9号(B1049.6)成功发射58颗星链卫星,以及三颗SkySats 19-21对地观测卫星。 猎鹰9号一级火箭成功着陆在当然我依然爱你的海上驳船,这是B1049的第六次回收。 Credit:SpaceX 这次发射对SpaceX来说,是一个重要的里程碑,这是SpaceX的第100次发射,猎鹰9号的第92次发射,以及一枚猎鹰9号的第6次复用回收。 准备回收整流罩 Credit:SpaceX 天空卫星(Sky

NASA·每日一图

在火星上拍摄了雪崩

Hi-RISE, the High-Resolution Imaging Science Experiment camera aboard NASA’s Mars Reconnaissance Orbiter (MRO) captured this avalanche plunging down a 1,640-foot-tall (500-meter-tall) cliff on May 29, 2019. The image also reveals layers at Mars’ north pole during spring. As temperatures

资讯

揭开太阳系形状之谜

利用美国航空航天局(NASA)任务获得的数据,科学家开发出了一个模型,对围绕我们太阳系的“泡泡”形状进行了新的预测。 更新后的模型表明,太阳所支配或控制的区域形状,即日球层(图中黄色部分)的形状,可能是瘪掉的羊角面包状,而不是其他研究提出的长尾彗星状。 图片来源:梅拉夫•奥弗等 我们太阳系中的所有行星,都包裹在一个磁泡(magnetic bubble)之中,太阳不断喷涌而出的物质,也就是太阳风(solar wind),在太空中日复一日地雕刻出了这个磁泡,而在磁泡之外的则是星际介质(interstellar medium),即充盈在银河系恒星系统之间的电离气体和磁场。当太阳围绕着银河系的中心运行

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