保护地球，探索宇宙，发现文明
2021年9月16日 North America and the Pelican Image Credit & Copyright: Andrew Klinger Explanation: Fans of our fair planet might recognize the outlines of these cosmic clouds. On the left, bright emission outlined by dark, obscuring dust lanes seems to trace a continental shape, lending the popular name North America Nebula to the emission region cataloged ...
Lee esta historia en español aquí. Diana Trujillo, an aerospace engineer, is currently Technical Group Supervisor for Sequence Planning and Execution and a Tactical Mission Lead for the Mars Perseverance rover. Born and raised in Colombia, Trujillo immigrated to the U.S. at the age of 17 to pursue her dream of working for NASA. While enrolled in English-as-a...
In this image, NASA astronaut and SpaceX Crew-3 Commander Raja Chari trains aboard the SpaceX Crew Dragon spacecraft in Hawthorne, California. Chari was selected by NASA to join the 2017 Astronaut Candidate Class and reported for duty in August 2017. The Iowa native graduated from the U.S. Air Force Academy in 1999 with bachelor’s degrees in astronautical en...
2021年9月15日 Cyclone Paths on Planet Earth Image Credit: National Hurricane Center, NOAA, NASA; Processing: Nilfanion (via Wikipedia) Explanation: Where on Earth do cyclones go? Known as hurricanes when in the Atlantic Ocean and typhoons when in the Pacific, the featured map shows the path of all major storms from 1985 through 2005. The map shows graphically t...
2021年9月14日 Mars Panorama 360 from Curiosity Image Credit: NASA, JPL-Caltech, MSSS; Processing & License: Elisabetta Bonora & Marco Faccin (aliveuniverse.today) Explanation: Which way up Mount Sharp? In early September, the robotic rover Curiosity continued its ascent up the central peak of Gale Crater, searching for more clues about ancient water a...
2021年9月13日 Night Sky Reflected Image Credit & Copyright: Egon Filter Explanation: What’s that in the mirror? In the featured image of the dark southern sky, the three brightest galaxies of the night are all relatively easy to identify. Starting from the left, these are the Small Magellanic Cloud (SMC), the Large Magellanic Cloud (LMC), and part of...
Inside the Integrated Processing Facility at Vandenberg Space Force Base in California, the Landsat 9 spacecraft is moved into position for encapsulation on Aug. 16, 2021. The two halves of the United Launch Alliance (ULA) payload fairing will surround and encase Landsat 9 to protect it during launch atop the ULA Atlas V rocket. Landsat 9 will launch on the ...
在这块昵称为“罗切特（Rochette）”的岩石上可以看到两个洞，NASA的毅力号火星车从这里获得了第一个第岩心样本。火星车在9月7日钻了左边的洞，被称为“蒙塔尼亚克 （Montagnac）”，在9月1日钻了右边的洞，被称为“蒙德尼尔（Montdenier）”。在它下面是一个被火星车磨掉的一个圆点。 影像来源：NASA/JPL-Caltech NASA的毅力号火星车成功地采集了它的第一对岩石样本，科学家已经对该地区有了新的认识。在9月6日采集了第一个名为“蒙塔尼亚”的样本后，研究小组于9月8日从同一块岩石上采集了第二个样本“蒙德尼尔”。 对蒙塔尼亚克和蒙德尼尔采集的岩石以及火星车之前的采样进行分析，可能有助于科学团队拼凑出该地区过去的时间线，该地区以火山活动和持续存在的水期为标志。 “看起来我们的第一块岩石揭示...
2021年9月12日 A Spiral Aurora over Iceland Image Credit & Copyright: Davide Necchi Explanation: What’s happened to the sky? Aurora! Captured in 2015, this aurora was noted by Icelanders for its great brightness and quick development. The aurora resulted from a solar storm, with high energy particles bursting out from the Sun and through a crack in Ea...
The contributions of NASA and Kennedy Space Center were stitched into the fabric of one of the nation’s most recognizable symbols, when flags from Florida’s Spaceport were sewn into an American Flag recovered near ground zero following the Sept. 11, 2001, attacks. In this image, the National 9/11 Flag was raised over the Rocket Garden at the Kenn...