保护地球，探索宇宙，发现文明
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 In...
2023年10月3日 MyCn 18: The Engraved Hourglass Planetary Nebula Image Credit & Copyright: NASA, ESA, Hubble, HLA; Processing & Copyright: Harshwardhan Pathak Explanation: Do you see the hourglass shape — or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of an hourglass — although one with an unusual eye in it...
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 admini...
2023年10月2日 Sprite Lightning in High Definition Image Credit & Copyright: Nicolas Escurat Explanation: Sometimes lightning occurs out near space. One such lightning type is red sprite lightning, which has only been photographed and studied on Earth over the past 25 years. The origins of all types of lightning remain topics for research, and scientists ar...
2023年10月1日 A Desert Eclipse Image Credit & Copyright: Maxime Daviron Explanation: A good place to see a ring-of-fire eclipse, it seemed, would be from a desert. In a desert, there should be relatively few obscuring clouds and trees. Therefore late December of 2019, a group of photographers traveled to the United Arab Emirates and Rub al-Khali, the large...
10月份的天空会发生什么？月球和行星的伟大配对，前往一个富含金属世界的任务，以及日偏食。