按月归档: 2 月 2021

极光与树

2021年02月28日 The Aurora Tree Image Credit & Copyright: Alyn Wallace Explanation: Yes, but can your tree do this? Pictured is a visual coincidence between the dark branches of a nearby tree and bright glow of a distant aurora. The beauty of the aurora — combined with how it seemed to mimic a tree right nearby — mesmerized the photographer to s...

NASA一周新闻(2021.02.27)

来源:NASA 翻译:灼眼的粉丝 毅力号登陆火星的样子… 模拟空间站太空行走… 以及为空间站机组人员提供的补给和货物… 最新新闻速递,尽在「本周NASA」! 如欲了解更多内容,请访问nasa.gov/twan。

火星探勘号轨道船所见的毅力号着陆点

2021年02月27日 Perseverance Landing Site from Mars Reconnaissance Orbiter Image Credit: NASA/JPL-Caltech/MSSS Explanation: Seen from orbit a day after a dramatic arrival on the martian surface, the Perseverance landing site is identified in this high-resolution view from the Mars Reconnaissance Orbiter. The orbiter’s camera image also reveals the location...

来自毅力号火星车的火星全景

2021年02月26日 Mars Perseverance Sol 3 Image Credit: NASA, JPL-Caltech, MSSS, ASU Explanation: Stitched together on planet Earth, 142 separate images make up this 360 degree panorama from the floor of Jezero Crater on Mars. The high-resolution color images were taken by the Perseverance rover’s zoomable Mastcam-Z during mission sol 3, also known as Februa...

来自黑洞的反射

This 2003 composite X-ray (blue and green) and optical (red) image of the active galaxy, NGC 1068, shows gas blowing away in a high-speed wind from the vicinity of a central supermassive black hole. Regions of intense star formation in the inner spiral arms of the galaxy are highlighted by both optical and X-ray emission. The elongated shape of the gas cloud...

穿越火星的耶泽罗陨石坑

This image depicts a possible area through which the Perseverance Mars rover could traverse across Jezero Crater as it investigates several ancient environments that may have once been habitable. The route begins at the cliffs defining the base of a delta produced by a river as it flowed into a lake that once filled the crater. The path then traverses up and...

飞越金星

2021年02月25日 A Venus Flyby Image Credit: NASA, JHUAPL, Naval Research Lab, Guillermo Stenborg and Brendan Gallagher Explanation: On a mission to explore the inner heliosphere and solar corona, on July 11, 2020 the Wide-field Imager on board NASA’s Parker Solar Probe captured this stunning view of the nightside of Venus at distance of about 12,400 kilome...

螺旋星系M66的哈勃影像

2021年02月24日 Spiral Galaxy M66 from Hubble Image Credit: NASA, ESA, Hubble, Janice Lee; Processing & Copyright: Leo Shatz; Text: Karen Masters Explanation: It’s always nice to get a new view of an old friend. This stunning Hubble Space Telescope image of nearby spiral galaxy M66 is just that. A spiral galaxy with a small central bar, M66 is a member of t...

毅力号拍摄的第一张火星全彩照片

This is the first high-resolution, color image to be sent back by the Hazard Cameras on the underside of NASA’s Perseverance Mars rover after its landing on Feb. 18, 2021. Video from landing chronicles major milestones during the final minutes of its entry, descent, and landing on the Red Planet, as the spacecraft plummeted, parachuted, and rocketed toward t...