按月归档: 8 月 2020

哈勃望远镜看到了恒星爆炸的边缘

While appearing as a delicate and light veil draped across the sky, this image from the NASA/ESA Hubble Space Telescope actually depicts a small section of the Cygnus supernova blast wave, located around 2,400 light-years away. The name of the supernova remnant comes from its position in the northern constellation of Cygnus (the Swan), where it covers an are...

火星的明暗对照图

2020年8月29日 Martian Chiaroscuro Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA Explanation: Deep shadows create dramatic contrasts between light and dark in this high-resolution close-up of the martian surface. Recorded on January 24, 2014 by the HiRISE camera on board the Mars Reconnaissance Orbiter, the scene spans about 1.5 kilometers. From 250 kilomete...

本周NASA速递(2020.8.28 )

阿耳忒弥斯3号任务(Artemis III)航天器的第一个元素;一名NASA宇航员被派到未来的商业载人飞行;在太空中观看一场强大的风暴……最近新闻速递,尽在「本周NASA」! Credit:NASA 在执行阿耳忒弥斯3号任务的猎户座飞船上,有一个压力容器,它的第一块组件现在就在NASA的米舒装配厂(Michoud Assembly Facility)中。第一块组件是一个窗户面板,用于为宇航员提供观察视野,这项任务将在2024年将第一位女性和下一位男性送上月球。(勘误:视频中应为下一位男性) Credit:NASA NASA已指派宇航员珍妮特·埃普斯(Jeanette Epps)进行波音公司CST-100星际飞机 (CST-100 Starliner)的首次操作性载人飞行,计划于2021年发射前往国际空间站。她将...

NASA推动的5项汽车创新

由NASA开发并为其服务的太空技术已经被应用到汽车上,甚至出现在NASCAR的赛道上。未来与汽车工业和汽车制造商的合作可能会改变我们从A点到B点的方式。NASA推动了以下五项汽车创新。 1、NASA标准有助于设计舒适的汽车座椅。 图中所示的中性体位是由太空实验室12个人的测量数据得出的。 影像来源:NASA 多亏了NASA,在路上行驶的驾驶员可能很少抱怨座椅不舒服。 当宇航员登上第一个空间站时,NASA研究了他们的身体在微重力作用下自然呈现的姿势。最初的研究和后续的研究帮助设计了从国际空间站的工作区域到猎户座飞船内部到地球上交通工具上舒适的新汽车座椅的一切。 日产汽车公司将NASA研究作为开发新驾驶员座椅的起点。像宇航员一样,汽车驾驶员需要安全,舒适,才能长时间有效地驾驶汽车。 早在21世纪初,经过多年的研究并...

斯皮策拍摄了恒星全家福

In this large celestial mosaic taken by NASA’s Spitzer Space Telescope and published in 2019, there’s a lot to see, including multiple clusters of stars born from the same dense clumps of gas and dust. Some of these clusters are older than others and more evolved, making this a generational stellar portrait. This image is of the Cepheus C and Cep...

穿过猎户座的裂谷

2020年8月28日 The Valley of Orion Visualization Credit: NASA, ESA, F. Summers, G. Bacon, Z. Levay, J. DePasquale, L. Frattare, M. Robberto, M. Gennaro (STScI) and R. Hurt (Caltech/IPAC) Explanation: This exciting and unfamiliar view of the Orion Nebula is a visualization based on astronomical data and movie rendering techniques. Up close and personal with a fam...

费米描记器与妇女平等日

What does this Fermi Gamma-ray Space Telescope Spirograph have in common with Women’s Equality Day? The Fermi mission is run by Project Scientist Dr. Elizabeth Hays, one of many female scientists and leaders at NASA. Hays and her deputy, Dr. Judith Racusin, are astrophysicists in the Astrophysics Science Division of NASA’s Goddard Space Flight Center i...

一颗可能存在液态水的行星的艺术家视角

Discovered in 2016, a roughly Earth-sized planet orbiting our nearest neighboring star might be habitable, according to astronomers using the European Southern Observatory’s 3.6-meter telescope at La Silla, Chile, along with other telescopes around the world. The exoplanet is at a distance from its star that allows temperatures mild enough for liquid w...

定义宇航员的辐射风险

In this image, one of the radiation detectors for the Radi-N2 experiment floats in the space station. This device will help researchers explore the radition risk to humans in space. Neutrons make up a significant part of the radiation exposure in low-Earth orbit, but have not been well characterized. Radi-N2, a Canadian Space Agency investigation, uses bubbl...

双鱼座的壳状星系

2020年8月27日 Shell Galaxies in Pisces Image Credit & Copyright: Martin Pugh Explanation: This intergalactic skyscape features a peculiar system of galaxies cataloged as Arp 227 some 100 million light-years distant. Swimming within the boundaries of the constellation Pisces, Arp 227 consists of the two galaxies prominent right of center, the curious shell ...