阿波罗16号的月面全景图

阿波罗16号的月面全景图

2022年4月21日 Apollo 16 Moon Panorama Image Credit: Apollo 16, NASA; Panorama Assembly: Mike Constantine Explanation: Fifty years ago, April 20, 1972, Apollo 16’s lunar module Orion touched down on the Moon’s near side in the south-central Descartes Highlands. While astronaut Ken Mattingly orbited overhead in Casper the friendly command and service module the Orion brought John Young and Charles Duke to the lunar surface. The pair would spend nearly three days on the Moon. Constructed from images (AS16-117-18814 to AS16-117-18820) taken near the end of their third and final surface excursion this panoramic view puts the lunar module in the distance toward the left. Their electric lunar roving vehicle in the foreground, Duke is operating the camera while Young aims the high gain communications antenna…

第354火星日的毅力号

第354火星日的毅力号

2022年2月25日 Perseverance Sol 354 Image Credit: NASA, JPL-Caltech, Processing: Kenneth Kremer Explanation: This Navcam mosaic from Perseverance looks out over the car-sized rover’s deck, across the floor of Jezero crater on Mars. Frames used to construct the mosaic view were captured on mission sol 354. That corresponds to Earth calendar date February 17, 2022, nearly one Earth year after the rover’s landing. With a mass of over 1,000 kilograms, six-wheeled Perseverance is the heaviest rover to touch down on Mars. During its first year of exploration the rover has collected six (so far) rock core samples for later return to planet Earth, served as the base station for Ingenuity, the first helicopter on Mars, and tested MOXIE (Mars Oxygen In-Situ Resource Utilization Experiment), converting some…

天文·每日一图25岁

天文·每日一图25岁

2020 June 16 APOD is 25 Years Old Today Video Credits: Idea & Lead: Alex Dantart (observatorio.info), Coordinators: Josef Chlachula (astro.cz/apod) & Alice Allen (ASCL); & APOD’s Tireless Volunteer Army of Translators and Social Media Digerati; Music: unminus.com: They Say, Sad Circus, Naya, Please Wait, Good God Explanation: Welcome to the quadranscentennial year of the Astronomy Picture of the Day. Perhaps a source of consistency for some, APOD is still here. To help celebrate APOD’s Silver Anniversary, some of APOD’s TVAoTaSMD have recorded a birthday greeting and thanks to APOD’s readership in today’s featured video. Many have also highlighted a few of their favorite APOD images. In collaboration with NASA through APOD, these and other volunteers help to inform the world, in most major world…