2021年国旗日：向美国国旗致敬
June 14 of each year is celebrated as Flag Day in the U.S. According to the Library of Congress’s online site, “o…
地球的大气辉光和星迹
The beauty of our home planet is shown in this long exposure photograph. Taken from the International Space Station as it orb…
在空间站研究免疫反应
NASA astronaut Mark Vande Hei works on Celestial Immunity, an investigation of how gravity affects immune response, potential…
探测来自天王星的X射线
Astronomers have detected X-rays from Uranus for the first time, using NASA’s Chandra X-ray Observatory, as shown in this ima…
比尔·纳尔逊局长发表了他的第一次NASA演讲
NASA Administrator Bill Nelson talks to the agency’s workforce during his first State of NASA event Wednesday, June 2, 2021, …
NASA数字战略家安德烈斯·阿尔梅达 (Andres Almeida)
When NASA digital strategist Andres Almeida joined Twitter in 2009, one of the first accounts he followed was NASA. “I …
在新的模拟中，黑洞的吸积盘发出光芒
Astronomers continue to develop computer simulations to help future observatories better home in on black holes, the most elu…