按月归档: 6 月 2020

Demo-2:载入史册

On Saturday, May 30, 2020, a SpaceX Falcon 9 rocket carrying the company’s Crew Dragon spacecraft launched on NASA’s SpaceX Demo-2 mission to the International Space Station and made its way into the history books. The Demo-2 mission is the first launch with astronauts of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space ...

Demo-2发射:开启历史性旅程

A SpaceX Falcon 9 rocket carrying the company’s Crew Dragon spacecraft launched from Launch Complex 39A on NASA’s SpaceX Demo-2 mission to the International Space Station with NASA astronauts Robert Behnken and Douglas Hurley onboard, at 3:22 p.m. EDT on Saturday, May 30, 2020, at NASA’s Kennedy Space Center in Florida. The Demo-2 mission is the first ...

发射!Demo-2前往空间站

Seen through the windows of firing room four of the Launch Control Center, a SpaceX Falcon 9 rocket carrying the company’s Crew Dragon spacecraft is launched from Launch Complex 39A on NASA’s SpaceX Demo-2 mission to the International Space Station with NASA astronauts Robert Behnken and Douglas Hurley onboard, Saturday, May 30, 2020, at NASA’s Kennedy...

SpaceX Demo-2:人类太空飞行的新时代

A SpaceX Falcon 9 rocket with the company’s Crew Dragon spacecraft onboard is seen illuminated on the launch pad at Launch Complex 39A as preparations continue for NASA’s SpaceX Demo-2 mission, Saturday, May 30, 2020, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Demo-2 mission is the first launch with astronauts of the SpaceX Crew Dragon sp...

礁湖星云活跃的中心

2020 June 1 The Lively Center of the Lagoon Nebula Image Credit: NASA, ESA, Hubble; Processing & Copyright: Diego Gravinese Explanation: The center of the Lagoon Nebula is a whirlwind of spectacular star formation. Visible near the image center, at least two long funnel-shaped clouds, each roughly half a light-year long, have been formed by extreme stel...

瑞典上空的极光

2020 May 31 Aurora over Sweden Image Credit & Copyright: Göran Strand Explanation: It was bright and green and stretched across the sky. This striking aurora display was captured in 2016 just outside of Östersund, Sweden. Six photographic fields were merged to create the featured panorama spanning almost 180 degrees. Particularly striking aspects of thi...

太阳、月亮、金星及水星的绿闪

2020 May 30 Green Flashes: Sun, Moon, Venus, Mercury Image Credit & Copyright: Marcella Giulia Pace Explanation: Follow a sunset on a clear day against a distant horizon and you might glimpse green just as the Sun disappears from view. The green flash is caused by refraction of light rays traveling to the eye over a long path through the atmosphere. Sho...