Astronaut John W. Young, commander of the Apollo 16 lunar landing mission, leaps from the Moon’s surface as he salutes the United States flag at the Descartes landing site during the first Apollo 16 spacewalk. Astronaut Charles M. Duke Jr., lunar module pilot, took this picture on April 21, 19 […]
Our Shuttle Carrier Aircraft ferries the Space Shuttle Endeavour over the Johnson Space Center in Houston in this Sept. 20, 2012, image. Endeavour’s end destination was the California Science Center, where it sits on display. The shuttle Endeavour brought the first parts of the International Space S
In this March 7, 2022, image, astronaut Frank Rubio gets help putting on a spacesuit at the Neutral Buoyancy Laboratory at NASA’s Johnson Space Center in Houston to train for spacewalks. Rubio is the first astronaut of Salvadoran origin to go to space. He launched to the International Space St
This cloudy, turbulent scene acquired by the Hubble Space Telescope in 2017 shows a stellar nursery within the Large Magellanic Cloud. This nursery, known as N159, contains many hot young stars. These stars emit intense ultraviolet light, which causes nearby hydrogen gas to glow, and torrential stel
Astronaut Michael E. López-Alegría, mission specialist, is photographed in this close-up view during one of the STS-92 spacewalks on Oct. 18, 2000. During his NASA career, López-Alegría logged more than 257 days in space and performed 10 spacewalks totaling 67 hours and 40 minutes. He flew on the ST
A little blue heron is seen in front of the Vehicle Assembly Building as preparations for launch continue, Friday, Sept. 2, 2022, at NASA’s Kennedy Space Center in Florida. NASA’s Artemis I flight test is the first integrated test of the agency’s deep space exploration systems: the Orion spacecraft,
European Space Agency astronaut Samatha Cristoforetti captured a photo of a portion of China’s Tanggula Mountains near Hala Lake as the International Space Station orbited 260 miles above the Earth on Sept. 5, 2022. Since the station began hosting human astronauts in November 2000, crew member
On Sept. 12, 1962, President Kennedy spoke before a crowd of 35,000 people at Rice University in Houston. During his speech, the President recommitted the nation to the Moon landing goal he proposed to Congress in May 1961, rallying the nation to land astronauts on the Moon before the end of the dec
This nighttime photograph from the International Space Station (ISS) as it orbited 261 miles above Earth looks across the Mediterranean Sea from north Africa to southern Europe. The city lights of Algiers, Algeria to Tunis, Tunisia highlight Africa’s northern coast from the bottom center towar
大自然喜欢螺旋——从飓风的漩涡，到围绕新生恒星的风车状原行星盘，再到我们宇宙中广阔的螺旋星系领域。 现在天文学家们困惑地发现，在银河系的卫星星系小麦哲伦星云中，年轻的恒星正在螺旋状地进入一个巨大星团的中心。 在这个巨大、形状奇特的恒星托儿所NGC346中，螺旋的外臂可能正在以一种类似河流的气体和恒星运动来孕育恒星的形成。研究人员说，这是一种促进恒星诞生的有效方法。 位于小麦哲伦星云中的大质量星团NGC 346，以其不同寻常的形状长期吸引着天文学家。现在，研究人员使用两种不同的方法确定，这种形状部分是由于恒星和气体以类似河流的运动螺旋进入这个星团的中心。叠加在NGC 346上的红色螺旋描绘了恒星
