每日一图 | NASA中文

月亮投下阴影

ByNASA中文 2023年10月20日

NASA’s Earth Polychromatic Imaging Camera aboard the Deep Space Climate Observatory (DSCOVR) captured the lunar shadow during the Oct. 14 annular solar eclipse. The sensor provides frequent global views of Earth from its position at Lagrange Point 1, a gravitationally stable point between the Sun and Earth about 1.5 million kilometers from Earth. DSCOVR is a space weather station that monitors changes in the solar wind, providing space weather alerts and forecasts for geomagnetic storms that could disrupt power grids, satellites, telecommunications, aviation and GPS. Image Credit: NASA 10月14日日环食期间，NASA搭载在深空气候观测站（DSCOVR）上的地球多色成像相机拍摄到了月影。该传感器从拉格朗日点L1的位置提供地球的频繁全球视图，拉格朗日点L1是太阳和地球之间的引力稳定点，距离地球约150万公里。 DSCOVR是一个太空气象站，监测太阳风的变化，为可能破坏电网、卫星、电信、航空和GPS的地磁风暴提供空间天气警报和预报。影像来源：NASA

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哈勃望远镜拍摄了一个充满活力的室女座星系团星系

ByNASA中文 2023年10月12日2023年10月12日

NASA, ESA, Space Telescope Science Institute/J. Lee; Processing: NASA/Catholic University of America/Gladys Kober It’s easy to get swept up in the swirling starry arms of this intermediate spiral galaxy, NGC 4654, in the constellation Virgo. The galaxy has a bright center and is labeled “intermediate” because it has characteristics of both unbarred and barred spirals. NGC 4654 is just north of the celestial equator, making it visible from the northern hemisphere and most of the southern hemisphere. The galaxy is around 55 million light-years from Earth. NGC 4654 is one of many Virgo Cluster galaxies that have an asymmetric distribution of stars and of neutral hydrogen gas. Astronomers reason that NGC 4654 may be experiencing a process called “ram pressure stripping,” where the gravitational pull…

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研究科学家阿方索·达维拉

ByNASA中文 2023年10月7日

“I think the experience of putting yourself in an uncomfortable environment and coming at the other end with lessons learned is always positive. Trying to expand the windows of where you feel comfortable gives you a chance to know yourself better. “[Studying life in extreme deserts] is about exploring things that we don’t know about. And a lot of what we don’t know happens in environments that are remote, just because it’s very hard to get there and not a lot of people go to those environments. “…It’s about those two things: exploring the unknown and also, in a way, exploring yourself and what you’re capable of. “…[My interest in exobiology] started as a means to understand whether life can exist in environments that are…

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宇航员拉贾·查里为塔可之夜做好准备

ByNASA中文 2023年10月7日

Taco Night on the International Space Station had a little kick to it on Nov. 26, 2021. In this image taken by NASA astronaut Kayla Barron, fellow NASA astronaut and Expedition 66 flight engineer Raja Chari smiles as he shows off a taco that includes fresh chile peppers. The peppers were harvested from inside the International Space Station’s Advanced Plant Habitat, which started growing four months prior as part of the Plant Habitat-04 experiment. Astronauts on station and a team of researchers at Kennedy worked together to check the peppers’ growth. This was one of the longest and most challenging plant experiments tried aboard the orbital lab. Starting in late 2015 and going into early 2016, astronauts grew zinnias on station – a precursor to…

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第69号远征队联盟号着陆

ByNASA中文 2023年10月4日

NASA astronaut Frank Rubio landed in Kazakhstan on Sept. 27, 2023, after spending 371 days in space aboard the International Space Station. Rubio’s mission is the longest single spaceflight by a U.S. astronaut in history. While on the space station, Rubio completed 5,963 orbits of the Earth. See the highlights of his year in space. Image Credit: NASA/Bill Ingalls NASA宇航员弗兰克·卢比奥在国际空间站上度过371天后，于2023年9月27日降落在哈萨克斯坦。卢比奥的任务是美国宇航员历史上单次太空飞行时间最长的一次。在空间站期间，卢比奥完成了5963次地球轨道飞行。看看他这一年在太空中的精彩片段。图片来源：NASA/Bill Ingalls

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马歇尔太空飞行中心的起源

ByNASA中文 2023年10月3日

On July 29, 1958, President Dwight D. Eisenhower signed the National Aeronautics and Space Act “to provide for research into problems of flight within and outside the Earth’s atmosphere.” At the White House less than a month later, Eisenhower commissioned Dr. T. Keith Glennan, right, as the first administrator for NASA and Dr. Hugh L. Dryden as deputy administrator. NASA officially opened for business 65 years ago on Oct. 1, 1958, to oversee the United States’ nonmilitary space activities. It was based on its predecessor, the National Advisory Committee for Aeronautics, which was established in 1915 to “supervise and direct the scientific study of the problems of flight, with a view to their practical solution.” Learn more about the creation of NASA. Image Credit: NASA…

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悠闲的游泳

ByNASA中文 2023年9月27日

A turtle moves through a waterway at NASA’s Kennedy Space Center in Florida on May 4, 2017. The center shares a border with the Merritt Island National Wildlife Refuge. More than 330 native and migratory bird species, 25 mammals, 117 fishes, and 65 amphibians and reptiles call Kennedy and the wildlife refuge home. Image Credit: NASA/Bill White 2017年5月4日，佛罗里达州NASA肯尼迪航天中心，一只海龟在水道中穿梭。该中心与梅里特岛国家野生动物保护区接壤。肯尼迪野生动物保护区是330多种本地和候鸟、25种哺乳动物、117种鱼类和65种两栖动物和爬行动物的家园。影像来源：NASA/Bill White

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从新的视角看新西兰

ByNASA中文 2023年9月25日

Expedition 69 Flight Engineer Jasmin Moghbeli captured this image of New Zealand, with its snow-capped Southern Alps mountain range pictured between the partly cloudy Tasman Sea and Pacific Ocean, on Sept. 12, 2023. At the bottom right of the image, one of the International Space Station’s roll-out solar arrays is seen as the station orbited 271 miles above the island nation. Since the station became operational in November 2000, crew members have produced hundreds of thousands of images of the land, oceans, and atmosphere of Earth through Crew Earth Observations. These photographs record how the planet changes over time due to human activity and natural events. Image Credit: NASA / Jasmin Moghbeli 2023年9月12日，第69号远征队的飞行工程师贾斯敏·莫贝利拍摄了这张新西兰的照片，照片中白雪覆盖的南阿尔卑斯山脉位于部分多云的塔斯曼海和太平洋之间。在图片的右下角，国际空间站的一个太阳能电池阵列正在这个岛国上空271英里的轨道上运行。自从国际空间站于2000年11月投入使用以来，工作人员已经通过对地观测拍摄了数十万张地球陆地、海洋和大气的照片。这些照片记录了由于人类活动和自然事件，地球是如何随着时间而变化。影像来源：NASA / Jasmin Moghbeli

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阿尔忒弥斯2号任务的宇航员完成月球任务的发射演练

ByNASA中文 2023年9月22日

The Artemis II crew and teams with NASA’s Exploration Ground Systems Program successfully completed on Sept. 20, the first in a series of integrated ground system tests at NASA’s Kennedy Space Center in Florida in preparation for the upcoming mission around the Moon. NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen, practiced the procedures they will undergo on launch day, from putting on their Orion crew survival system spacesuits to traveling to the launch pad and up the mobile launcher, to prepare for their ride to space. Artemis II is the first crewed mission under Artemis and will test all of the Orion spacecraft’s systems with astronauts aboard before future missions to the Moon. Text credit:…

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战略传播经理伊西德罗·雷纳

ByNASA中文 2023年9月21日

“We were a two-person shop doing comprehensive communications for the U.S. Army Corps of Engineers. I won a whole ton of awards there alongside an amazing mentor and boss named Sandra Arnold. That’s why I stayed so long — because we were such a great team. That experience was very foundational to my federal career. “I found out in October 2013 that my dad was diagnosed with stage 4 cancer. I called Sandra and told her what was going on, and she suggested I telework from San Antonio and take care of him. “So, I physically moved from my office in Galveston, Texas, back to my hometown of San Antonio and rented a home. My dad moved in with me, and sadly, he eventually passed…