保护地球，探索宇宙，发现文明
2023年8月10日 Five Meters over Mars Image Credit: NASA, JPL-Caltech, Ingenuity Explanation: On mission sol 872 (Earth date August 3) Ingenuity snapped this sharp image on its 54th flight above the surface of the Red Planet. During the flight the Mars Helicopter hovered about 5 meters, or just over 16 feet, above the Jezero crater floor. Tips of Ingenuity’...
NASA詹姆斯·韦伯太空望远镜跟踪了哈勃太空望远镜对宇宙大爆炸后10亿年内最遥远的恒星的观测。
2023年8月9日 Meteor Shower: Perseids from Perseus Credit & Copyright: Petr Horálek / Institute of Physics in Opava Explanation: This is a good week to see meteors. Comet dust will rain down on planet Earth, streaking through dark skies during peak nights of the annual Perseid Meteor Shower. The featured composite image was taken during the 2018 Perseids fr...
机智号直升机进行了一次短途飞行，以帮助团队更好地理解之前的飞行被中断的原因。
In this image from April 2023, NASA’s Moonikin Campos, a manikin that flew on the Artemis I flight test beyond the Moon, enjoys a quiet moment during acceleration sled testing at Wright-Patterson Air Force Base in Ohio. Engineers put Moonikin Campos through acceleration sled testing to simulate contingency landings. Sled testing is a common method of testing...
2023年8月8日 Moon Meets Jupiter Credit & Copyright: Jordi L. Coy Explanation: What’s that below the Moon? Jupiter — and its largest moons. Many skygazers across planet Earth enjoyed the close conjunction of Earth’s Moon passing nearly in front of Jupiter in mid-June. The featured image is a single exposure of the event taken from Morón de...
洞察号着陆器在去年12月退役前发送的数据提供了有关火星旋转速度和摆动程度的新细节。
In this image from June 2023, an engineer watches a development model rover during a test for NASA’s Cooperative Autonomous Distributed Robotic Exploration (CADRE) technology demonstration in the Mars Yard at NASA’s Jet Propulsion Laboratory in Southern California. The team tested a new wheel design, surface navigation software, and mobility capabilities, am...
2023年8月7日 The Pelican Nebula in Gas, Dust, and Stars Credit & Copyright: Abe Jones Explanation: The Pelican Nebula is slowly being transformed. IC 5070 (the official designation) is divided from the larger North America Nebula by a molecular cloud filled with dark dust. The Pelican, however, receives much study because it is a particularly active mix of...
The glittering, glitzy contents of the globular cluster NGC 6652 sparkle in this star-studded image from the NASA/ESA Hubble Space Telescope. The core of the cluster is suffused with the pale blue light of countless stars, and a handful of particularly bright foreground stars are adorned with crisscrossing diffraction spikes. NGC 6652 lies in our own Milky W...