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。
2023年9月30日 A Harvest Moon over Tuscany Image Credit & Copyright: Antonio Tartarini Explanation: For northern hemisphere dwellers, September’s Full Moon was the Harvest Moon. Reflecting warm hues at sunset, it rises behind cypress trees huddled on a hill top in Tuscany, Italy in this telephoto view from September 28. Famed in festival, story, and s...
2023年9月29日 Back from Bennu Image Credit: NASA/Keegan Barber Explanation: Back from asteroid 101955 Bennu, a 110-pound, 31-inch wide sample return capsule rests in a desert on planet Earth in this photo, taken at the Department of Defense Utah Test and Training Range near Salt Lake City last Sunday, September 24. Dropped off by the OSIRIS-Rex spacecraft, the ...
2023年9月28日 The Deep Lagoon Image Credit & Copyright: Josep Drudis, Christian Sasse Explanation: Ridges of glowing interstellar gas and dark dust clouds inhabit the turbulent, cosmic depths of the Lagoon Nebula. Also known as M8, The bright star forming region is about 5,000 light-years distant. It makes for a popular stop on telescopic tours of the cons...
2023年9月27日 STEVE and Milky Way Cross over Rural Road Image Credit & Copyright: Theresa Clarke Explanation: Not every road ends in a STEVE. A week ago, a sky enthusiast’s journey began with a goal: to photograph an aurora over Lake Huron. Driving through rural Ontario, Canada, the forecasted sky show started unexpectedly early, causing the photogra...