按月归档: 8 月 2023

载人7号“星云”

2023年8月31日 The Crew-7 Nebula Image Credit & Copyright: Michael Seeley Explanation: Not the James Webb Space Telescope’s latest view of a distant galactic nebula, this illuminated cloud of gas and dust dazzled early morning spacecoast skygazers on August 26. The snapshot was taken about 2 minutes after the launch of of a Falcon 9 rocket on the Spac...

圭恩·布鲁福德,第一位进入太空的非裔美国人

In this image from Sept. 5, 1983, Guion “Guy” Bluford checks out the sample pump on the continuous flow electrophoresis system (CFES) experiment in the middeck of the Earth-orbiting space shuttle Challenger. Forty years ago today, he launched from NASA’s Kennedy Space Center in Florida, becoming the first African American to fly in space. Bluford was a membe...

八月的满月

2023年8月30日 Full Moons of August Image Credit & Copyright: Gianni Tumino Explanation: Near perigee, the closest point in its almost moonthly orbit, a Full Moon rose as the Sun set on August 1. Its brighter than average lunar disk was captured in this dramatic moonrise sequence over dense cloud banks along the eastern horizon from Ragusa, Sicily. Illumina...

用气象气球研究风

Rocky Garcia and Wesley James prepare a weather balloon to collect wind data at NASA’s Armstrong Flight Research Center in Edwards, California, on July 20, 2023. Researchers measured wind at altitudes below 2,000 feet using drones, sensors, weather balloons, and other technology during the Advanced Exploration of Reliable Operation at Low Altitudes: Meteorol...

韦伯影像: 不寻常的螺旋星系M66

2023年8月29日 Unusual Spiral Galaxy M66 from Webb Image Credit: NASA, ESA, CSA, JWST; Processing: Brian Tomlinson Explanation: Why isn’t spiral galaxy M66 symmetric? Usually, density waves of gas, dust, and newly formed stars circle a spiral galaxy‘s center and create a nearly symmetric galaxy. The differences between M66’s spiral arms and the...

Crew-7升空

At 3:27 a.m. EDT on Saturday, Aug. 26, NASA’s SpaceX Crew-7 crew members launched from NASA’s Kennedy Space Center in Florida. A SpaceX Falcon 9 rocket carried NASA astronaut Jasmin Moghbeli, European Space Agency astronaut Andreas Mogensen, Japan Aerospace Exploration Agency astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov aboard...

小精灵星云的恒星形成活动

2023年8月28日 Star Formation in the Pacman Nebula Image Credit & Copyright: Craig Stocks Explanation: Look through the cosmic cloud cataloged as NGC 281 and you might miss the stars of open cluster IC 1590. Formed within the nebula, that cluster’s young, massive stars ultimately power the pervasive nebular glow. The eye-catching shapes looming in the...

哈勃看到一个闪亮的临近星系

The galaxy ESO 300-16 looms over this image from the NASA/ESA Hubble Space Telescope. This galaxy, which lies 28.7 million light-years from Earth in the constellation Eridanus, is a ghostly assemblage of stars which resembles a sparkling cloud. Other distant galaxies and foreground stars complete this astronomical portrait, which was captured by the Advanced...

三个星系与一颗彗星

2023年8月27日 Three Galaxies and a Comet Credit & Copyright: Miloslav Druckmuller (Brno University of Technology) Explanation: Diffuse starlight and dark nebulae along the southern Milky Way arc over the horizon and sprawl diagonally through this gorgeous nightscape. The breath-taking mosaic spans a wide 100 degrees, with the rugged terrain of the Patagoni...