2022年11月22日 A Double Star Cluster in Perseus Image Credit & Copyright: Tommy Lease Explanation: Few star clusters this close to each other. Visible to the unaided eye from dark sky areas, it was cataloged in 130 BC by Greek astronomer Hipparchus. Some 7,000 light-years away, this pair of open s […]
On Nov. 20, the fifth day of the 25.5-day Artemis I mission, a camera mounted on the tip of one of Orion’s solar array wings captured this footage of the spacecraft and the Moon as it continued to grow nearer to our lunar neighbor. The spacecraft entered the lunar sphere of influence at 2:09 p.m. ES
2022年11月21日 The Butterfly Nebula from Hubble Image Credit: NASA, ESA, Hubble; Processing: William Ostling Explanation: Stars can make beautiful patterns as they age — sometimes similar to flowers or insects. NGC 6302, the Butterfly Nebula, is a notable example. Though its gaseous wingspan cove
2022年11月20日 Airglow Ripples over Tibet Image Credit & Copyright: Jeff Dai Explanation: Why would the sky look like a giant target? Airglow. Following a giant thunderstorm over Bangladesh in late April, giant circular ripples of glowing air appeared over Tibet, China, as pictured here. The unusu
2022年11月19日 Artemis 1 Moonshot Image Credit & Copyright: John Kraus Explanation: When the Artemis 1 mission’s Orion spacecraft makes its November 21 powered flyby of the Moon, denizens of planet Earth will see the Moon in a waning crescent phase. The spacecraft will approach to within abo
A small, dense cloud of gas and dust called CB 130-3 blots out the center of this image from the NASA/ESA Hubble Space Telescope. CB 130-3 is an object known as a dense core, a compact agglomeration of gas and dust. This particular dense core is in the constellation Serpens and seems to billow acros
2022年11月18日 The Protostar within L1527 Image Credit: Science – NASA, ESA, CSA, STScI, NIRCam Processing – Joseph DePasquale (STScI), Anton M. Koekemoer (STScI), Alyssa Pagan (STScI) Explanation: The protostar within dark cloud L1527 is a mere 100,000 years old, still embedded in the clou
Stephanie Yazzie, Northern Arizona University student and NAU Space Jacks team member, poses with her team’s rocket in this photo from the 2019 NASA First Nations Launch (FNL) competition. In this competition, students from Tribal Colleges and Universities, Native American Serving Nontribal Institut
NASA的詹姆斯·韦伯太空望远镜揭示了L1527暗云中原恒星曾经隐藏的特征，为了解一颗新恒星的起源提供了线索。金牛座恒星形成区域内的这些炽热的云只在红外光中可见，这使得它成为韦伯近红外相机（NIRCam）的理想目标。 原恒星本身隐藏在这个沙漏形状的“颈部”中。一个边缘的原行星盘看起来是一条穿过颈部中间的黑线。来自原恒星的光在这个圆盘的上方和下方泄漏出来，照亮了周围气体和尘埃中的空洞。 NASA詹姆斯·韦伯太空望远镜近红外相机（NIRCam）拍摄的这张图片显示了L1527暗星云中的原恒星，它被嵌入在为其生长提供动力的物质云中。这颗恒星的喷射物清除了它上下的空洞，在这幅红外图像中，这些空洞的边界发
2022年11月17日 Planet Earth from Orion Image Credit: NASA, Artemis 1 Explanation: A Space Launch System rocket left planet Earth on Wednesday, November 16 at 1:47am EST carrying the Orion spacecraft on the Artemis 1 mission, the first integrated test of NASA’s deep space exploration systems. Over an ho
