一天的工作:罗伯特本肯更新电站的电力系统
On June 26, 2020, NASA astronauts Bob Behnken and Chris Cassidy conducted the first of two spacewalks to swap batteries and u…
On June 26, 2020, NASA astronauts Bob Behnken and Chris Cassidy conducted the first of two spacewalks to swap batteries and u…
June 30 is Asteroid Day. Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early form…
The galaxy known as NGC 5907 stretches wide across this image. Appearing as an elongated line of stars and dark dust, the gal…
As nuclear fusion engines, most stars live placid lives for hundreds of millions to billions of years. But near the end of th…
NASA astronauts (from top) Chris Cassidy and Robert Behnken work on U.S. spacesuits inside the International Space Station…
Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data …
Pilots Troy Asher and Stu Broce walk out of NASA’s Armstrong Flight Research Center’s (AFRC) hangar in Palmdale, California, …