NASA的好奇号火星车拍摄了火星上从黎明到黄昏的一天
来自好奇号拍摄的视频显示，在好奇号停在火星上的12小时里，它的影子在火星表面移动。
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庆祝凯瑟琳·约翰逊的一生和事业
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
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天市右垣十一:狂奔的恒星
2020 February 2 Zeta Oph: Runaway Star Image Credit: NASA, JPL-Caltech, Spitzer Space Telescope Explanation: Like a ship plowing through cosmic seas, runaway star Zeta Ophiuchi produces the arcing interstellar bow wave or bow shock seen in this stunning infrared portrait. In the false-color view, bl
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使用哈勃太空望远镜的考德威尔目录探索夜空
During the 18th century, French astronomer Charles Messier compiled a list of over 100 cosmic objects that might fool fellow comet hunters into thinking they had discovered new comets. In the 1980s, an Englishman named Sir Patrick Moore produced an additional list to highlight more cosmic wonders vi
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M33：三角星系
2019 December 31 M33: The Triangulum Galaxy Image Credit & Copyright: Rui Liao Explanation: The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy. M33 is over 50,000 light-yea
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雪花星团
Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA’s Spitzer Space Telescope. The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals
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美国·内布拉斯加州上空的乳状云
2019 December 15 Mammatus Clouds over Nebraska Image Credit & Copyright: Jorn Olsen Photography Explanation: When do cloud bottoms appear like bubbles? Normally, cloud bottoms are flat. This is because moist warm air that rises and cools will condense into water droplets at a specific temperatu
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飞掠小行星Arrokoth
2019 November 18 Passing Asteroid Arrokoth Video Credit: NASA, JHU APL, SwRI Explanation: What would it look like to pass asteroid Arrokoth? The robotic New Horizons spacecraft zoomed past Arrokoth in January, 3.5 years after the spacecraft passed Pluto. If this object’s name doesn’t sou
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NGC 3717：几乎侧向的旋涡星系
2019 November 12 NGC 3717: A Nearly Sideways Spiral Galaxy Image Credit: ESA/Hubble & NASA, Processing: D. Rosario Explanation: Some spiral galaxies are seen nearly sideways. Most bright stars in spiral galaxies swirl around the center in a disk, and seen from the side, this disk can be appear
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建造未来的漫游车
A student from Sinte Gleska University, an accredited tribal university on the Rosebud Sioux Reservation, works to build a model rover for a NASA Community College Aerospace Scholars (NCAS) rover competition at the 2018 American Indian Higher Education Consortium (AIHEC) Student Conference. View the