研究人员分析了NASA詹姆斯·韦伯太空望远镜的图像，发现早期宇宙中的星系通常是扁平细长的，就像冲浪板和泳池浮条一样，很少是圆形的，比如排球或飞盘。“我们研究的星系中，大约有50%到80%在二维空间中看起来是扁平的。”该研究的第一作者维拉杰·潘迪亚解释说，他是纽约哥伦比亚大学的NASA哈勃研究员。“看起来像泳池浮条或冲浪板的星系在早期宇宙中似乎很常见，这令人惊讶，因为它们在我们附近并不常见。” 该团队专注于韦伯提供的大量近红外图像，即宇宙演化早期发布科学（CEERS）调查，从中挑选出估计在宇宙6亿至60亿岁时存在的星系。 图片: 遥远星系的形状样本 研究人员分析了来自NASA詹姆斯·韦伯太空望远 […]
The Operational Land Imager-2 on Landsat 9 captured this image of Simsbury, Connecticut on September 15, 2022. Martin Luther King Jr. and other students from Morehouse College worked summers on a tobacco farm, Meadowood, in Simsbury in 1944 and 1947 to earn money for tuition. King’s time in Connecti
An Orbital Sciences Corporation Antares rocket is seen as it launches from Pad-0A at NASA’s Wallops Flight Facility, Thursday, January 9, 2014, Wallops Island, VA. Antares is carrying the Cygnus spacecraft on a cargo resupply mission to the International Space Station. The Orbital-1 mission is
X-ray: NASA/CXC/SAO; Optical: NASA/ESA/STScl; IR: NASA/ESA/CSA/STScl/Milisavljevic et al., NASA/JPL/CalTech; Image Processing: NASA/CXC/SAO/J. Schmidt and K. Arcand For the first time, astronomers have combined data from NASA’s Chandra X-ray Observatory and James Webb Space Telescope to study the we
ESA/Hubble & NASA, J. Dalcanton, Dark Energy Survey/DOE/FNAL/NOIRLab/NSF/AURA; Acknowledgment: L. Shatz This image from the NASA/ESA Hubble Space Telescope features a richness of spiral galaxies: the large, prominent spiral galaxy on the right side of the image is NGC 1356; the two apparently sm
Amazonian leaders visit “Space for Earth,” an immersive audio-visual installation that draws from near real-time satellite data and images, in NASA’s Earth Information Center at the NASA Headquarters Mary W. Jackson Building in Washington on Nov. 17, 2023. The leaders, joined by University of Richmo
中等强度的象限仪座流星雨活跃于12月28日至1月12日，并在1月3日夜间达到峰值。月亮会冲掉暗淡的流星，但流星雨经常会产生明亮的火流星。虽然你可能已经注意到星座是如何随季节变化的，但你知道这种变化是以每天四分钟的速度发生的吗？
The crescent moon, along with Jupiter (top right of Moon) and Venus (below Moon) appeared over the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida Feb. 22, 2023, as preparations continued for NASA’s SpaceX Crew-6 mission. NASA astronauts Stephen Bowen and Warren “Woody” Hoburg, U
Katherine Johnson passed away Feb. 24, 2020, after living a life filled with trail-blazing achievements. Being handpicked to be one of three black students to integrate West Virginia’s graduate schools is something that many people would consider one of their life’s most notable moments, but it’s ju
