所有人都在关注冰巨星
NASA的新视野号航天器计划在今年秋天从太阳系外围的遥远位置观测天王星和海王星，任务团队正在邀请全球业余天文爱好者一起参与，同时观测这两颗冰巨星，为太空科学做出真正的贡献。
按月归档： 8 月 2023
西北地区的野火
On August 8, 2023, the Moderate Resolution Imaging Spectroradiometer on NASA’s Aqua satellite captured this image of dense plumes of smoke streaming from dozens of large fires in the Northwest Territories. Several of these fires raged around Yellowknife, the province’s capital and largest city, where firefighters are conducting controlled burns around the ci...
三重辉光中的冰岛夜空
2023年8月15日 A Triply Glowing Night Sky over Iceland Credit & Copyright: Wioleta Gorecka; Text: Natalia Lewandowska (SUNY Oswego) Explanation: The Sun is not the quiet place it seems. It expels an unsteady stream of energetic electrons and protons known as the solar wind. These charged particles deform the Earth’s magnetosphere, change paths, and co...
阿尔忒弥斯二号任务机组人员与猎户座相遇
While wearing clean room suits, the Artemis II crew members (from left: NASA astronauts Victor Glover, Reid Wiseman, and Christina Koch, and Canadian Space Agency astronaut Jeremy Hansen) check out their Orion crew module inside the Neil Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Aug. 7, 2023. The crew module is u...
韦伯望远镜的环状星云
2023年8月14日 The Ring Nebula from Webb Credit: NASA, ESA, CSA, JWST; Processing: Zi Yang Kong Explanation: The Ring Nebula (M57), is more complicated than it appears through a small telescope. The easily visible central ring is about one light-year across, but this remarkable exposure by the James Webb Space Telescope explores this popular nebula with a deep e...
阿波罗11号登月舱着陆的艺术家概念图
This artist’s concept from July 11, 1969, depicts the Apollo 11 lunar module Eagle landing on the surface of the Moon. Apollo 11 launched from Cape Kennedy on July 16, 1969, carrying commander Neil Armstrong, command module pilot Michael Collins, and lunar module pilot Edwin “Buzz” Aldrin. On July 20, the Eagle landed in the Sea of Tranquility wi...
红外光波段的草帽星系
2023年8月13日 The Sombrero Galaxy in Infrared Credit: R. Kennicutt (Steward Obs.) et al., SSC, JPL, Caltech, NASA Explanation: This floating ring is the size of a galaxy. In fact, it is a galaxy — or at least part of one: the photogenic Sombrero Galaxy, one of the largest galaxies in the nearby Virgo Cluster of Galaxies. The dark band of dust that obscure...
吉里戈里 – 恒星涂鸦画
2023年8月12日 Ghirigori – Star Scribbles Image Credit & Copyright: Paolo Palma Explanation: It’s fun to scribble on the canvas of the sky. You can use a creative photographic technique to cause the light of point-like stars to dance across a digital image by tapping lightly on the telescope while making an exposure. The result will be a squiggl...
255小时长曝光下的M51
2023年8月11日 Messier 51 in 255 Hours Image Credit & Copyright: The Deep Sky Collective – Carl Björk, Thomas Bähnck, Sebastian Donoso, Jake Gentillon, Antoine and Dalia Grelin, Stephen Guberski, Richard Hall, Tino Heuberger, Jason Jacks, Paul Kent, Brian Meyers, William Ostling, Nicolas Puig, Tim Schaeffer, Felix Schöfbänker, Mikhail Vasilev Explanat...
凤凰号的红色星球自拍
NASA’s Mars Phoenix Lander gathered images of itself for this selfie from June 5 through July 12, 2008, with its Surface Stereo Imager (SSI). This mosaic is made up of more than 100 different SSI pointings, with images taken through three different filters at each pointing. 15 years ago in August 2008, Phoenix completed its three-month mission studying Marti...