詹姆斯·韦伯太空望远镜揭示了标志性超新星内部的新结构
NASA的詹姆斯·韦伯太空望远镜已经开始研究最著名的超新星之一SN 1987A(超新星1987A)。SN 1987A位于16.8万光年之外的大麦哲伦星云中,自1987年2月被发现以来,近40年来一直是从伽马射线到无线电波长的密集观测目标。
NASA的詹姆斯·韦伯太空望远镜已经开始研究最著名的超新星之一SN 1987A(超新星1987A)。SN 1987A位于16.8万光年之外的大麦哲伦星云中,自1987年2月被发现以来,近40年来一直是从伽马射线到无线电波长的密集观测目标。
As the International Space Station orbited 261 miles above Earth on Aug. 29, 2023, one of the space station’s external high-definition cameras captured Hurricane Idalia in the Gulf of Mexico. Hurricane Idalia made landfall over the Big Bend region of Florida on the morning of Aug. 30, 2023, as a category 3 storm. Winds measured 205 kilometers (125 miles) per...
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...
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...
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...
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...
随着宇航员准备自1972年以来首次重返月球,他们已经接受了如何识别地标、发现地质特征以及帮助标记未来着陆的感兴趣区域的培训,所有这些都使用了LRO收集的数据。
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...
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...
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...