按月归档: 12 月 2022

木卫一的真实色彩

2022年12月11日 Io in True Color Image Credit: NASA, JPL, Galileo Project Explanation: The strangest moon in the Solar System is bright yellow. The featured picture, an attempt to show how Io would appear in the “true colors” perceptible to the average human eye, was taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003....

美国号与静海

2022年12月10日 America and the Sea of Serenity Gene Cernan, Apollo 17, NASA; Anaglyph by Patrick Vantuyne Explanation: Get out your red/blue glasses and check out this stereo view of another world. Fifty years ago the scene was recorded by Apollo 17 mission commander Eugene Cernan on December 11, 1972, one orbit before descending to land on the Moon. The stereo...

返回地球前,猎户座凝视着月亮

On flight day 20 of the Artemis I mission, Dec. 5, 2022, Orion captured the Moon on the day of return powered flyby, the final major engine maneuver of the flight test. The burn, which used the spacecraft’s main engine on the European-built service module, lasted 3 minutes, 27 seconds, and changed the velocity of the spacecraft by about 655 mph (961 feet per...

月亮临边上方的火星

2022年12月9日 Mars Rises above the Lunar Limb Image Credit & Copyright: Tom Glenn Explanation: On the night of December 7 Mars wandered near the Full Moon. In fact the Red Planet was occulted, passing behind the Moon, when viewed from locations across Europe and North America. About an hour after disappearing behind the lunar disk Mars reappears in this st...

NASA的詹姆斯·韦伯太空望远镜显示了几颗恒星“搅动”了南环星云

来自NASA詹姆斯·韦伯太空望远镜的第一批数据显示,至少有两颗,甚至可能有三颗看不见的恒星,塑造了南环星云的形成了南环星云的椭圆形、曲线形。此外,通过将韦伯的红外图像与欧洲航天局(ESA)盖亚天文台的现有数据配对,研究人员第一次能够在形成星云之前精确地确定中心恒星的质量。由澳大利亚悉尼麦考瑞大学的奥索拉·德·马尔科领导的近70名研究人员组成的团队分析了韦伯对这颗垂死恒星的10次高度详细的曝光,得出了这些结果。

先锋10号飞越木星

In this illustration by Rick Giudice from August 1973, the Pioneer 10 spacecraft passes by the gas giant planet Jupiter. The spacecraft’s primary goal was to explore Jupiter, its satellites, its magnetic field, and trapped radiation belts. Pioneer 10 was the first satellite to pass through an asteroid belt and the first spacecraft to obtain detailed im...

猎户座与风暴洋

2022年12月8日 Orion and the Ocean of Storms Image Credit: NASA, Artemis 1 Explanation: A camera on board the uncrewed Orion spacecraft captured this view on December 5 as Orion approached its return powered flyby of the Moon. Below one of Orion’s extended solar arrays lies dark, smooth, terrain along the western edge of the Oceanus Procellarum. Prominent ...