按月归档: 1 月 2024

相机镜头里的猎户座升起

2024年1月31日 Camera Orion Rising Image Credit & Copyright: Marcin Ślipko Explanation: What does Orion rising look like to a camera? During this time of the year, the famous constellation is visible to the southeast just after sunset. From most Earthly locations, Orion’s familiar star pattern, highlighted by the three-stars-in-a-row belt stars, rises...

地球的大气辉光

This high exposure photograph revealed Earth’s atmospheric glow against the backdrop of a starry sky in this image taken from the International Space Station on Jan. 21, 2024. At the time, the orbital lab was 258 miles above the Pacific Ocean northeast of Papua New Guinea. The Nauka science module and Prichal docking module are visible at left. Since the spa...

SLIM登陆月球

2024年1月30日 SLIM Lands on the Moon Image Credit & Copyright: JAXA, Takara Tomy, Sony Co., Doshisha U. Explanation: New landers are on the Moon. Nearly two weeks ago, Japan‘s Smart Lander for Investigating Moon (SLIM) released two rovers as it descended, before its main lander touched down itself. The larger of the two rovers can hop like a frog, whi...

机智号火星直升机原型的新家

The Ingenuity Mars Helicopter’s aerial prototype is seen at the Smithsonian National Air and Space Museum’s Steve F. Udvar-Hazy Center in Chantilly, Va, Dec. 15, 2023. The prototype, which was the first to prove it was possible to fly in a simulated Mars environment at NASA’s Jet Propulsion Laboratory, was donated to the museum. Ingenuity’s history-making mi...

昴宿星团: 有尘埃环绕的七姐妹星团

2024年1月29日 The Pleiades: Seven Dusty Sisters Image Credit & Copyright: Craig Stocks Explanation: The well-known Pleiades star cluster is slowly destroying part of a passing cloud of gas and dust. The Pleiades is the brightest open cluster of stars on Earth’s sky and can be seen from almost any northerly location with the unaided eye. Over the past ...

冥王星的真实色泽

2024年1月28日 Pluto in True Color Image Credit: NASA, JHU APL, SwRI; Processing: Alex Parker Explanation: What color is Pluto, really? It took some effort to figure out. Even given all of the images sent back to Earth when the robotic New Horizons spacecraft sped past Pluto in 2015, processing these multi-spectral frames to approximate what the human eye would ...

天文台与满月

2024年1月27日 Full Observatory Moon Image Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TWAN) Explanation: A popular name for January’s full moon in the northern hemisphere is the Full Wolf Moon. As the new year’s first full moon, it rises over Las Campanas Observatory in this dramatic Earth-and-moonscape. Peering from th...

毕宿一: 有行星的恒星

2024年1月26日 Epsilon Tauri: Star with Planet Image Credit & Copyright: Reg Pratt Explanation: Epsilon Tauri lies 146 light-years away. A K-type red giant star, epsilon Tau is cooler than the Sun, but with about 13 times the solar radius it has nearly 100 times the solar luminosity. A member of the Hyades open star cluster the giant star is known by the pro...

在火星上待了三年之后,NASA机智号直升机任务结束

影像来源:NASA/JPL-Caltech NASA创造历史的机智号火星直升机在超出预期、比计划多进行了数十次飞行后,结束了在这颗红色星球上的任务。虽然这架直升机保持直立状态,并与地面控制人员保持着联系,但本周传回的1月18日的飞行图像显示,它的一个或多个旋翼叶片在着陆过程中受损,无法再飞行。 机智号最初的设计是作为一项技术演示,在30天内进行多达五次实验测试飞行,第一架在另一个世界上的飞机在火星表面运行了近三年,进行了72次飞行,飞行距离是计划的14倍多,总飞行时间超过2小时。 “在另一个星球上的第一架飞机,机智号的历史性旅程已经结束。”NASA局长比尔·纳尔逊说。“这架非凡的直升机飞得比我们想象的更高更远,帮助NASA做了我们最擅长的事情——把不可能变成可能。通过像机智号这样的任务,NASA正在为未来在太阳...

NASA纪念日: 向逝去的英雄致敬

In honor of the members of the NASA family who lost their lives while furthering the cause of exploration and discovery for the benefit all, the agency hosted its annual Day of Remembrance Thursday, Jan. 25, 2024. Traditionally held on the fourth Thursday in January each year, NASA Day of Remembrance commemorates the crews of Apollo 1 and space shuttles Chal...