NASA领导的项目追踪水、生态系统、地表的变化
OPERA可以整合来自多颗卫星的数据，帮助政府机构、灾难应急人员和公众获取关于自然和人类对土地影响的数据。
按月归档： 4 月 2023
尼泊尔的喜马拉雅山和珠穆朗玛峰
Clouds gather over Nepal near Mount Everest (center) in this April 13, 2023, photograph from the International Space Station. This image was taken as the station orbited 263 miles above the Indian subcontinent. In addition to photography, instruments on the space station like the Compact Ocean Wind Vector Radiometer and the Temporal Experiment for Storms and...
2024年4月的日全食路径图
2023年4月18日 Map of Total Solar Eclipse Path in 2024 April Image Credit: NASA, Science Visualization Studio Explanation: Would you like to see a total eclipse of the Sun? If so, do any friends or relatives live near the path of next April’s eclipse? If yes again, then you might want to arrange a well-timed visit. Next April 8, the path of a total solar e...
秃鹰降落在肯尼迪航天中心
2023年4月10日，NASA肯尼迪航天中心，一只美国秃鹰俯冲降落在一根杆子上。这只鹰是在筑巢季节在佛罗里达太空港定居的一对伴侣中的一员。今年，这对夫妇在肯尼迪公园路附近的一棵树上饲养了一只孤独的幼鹰，该巢穴距离车辆装配大楼约两英里。肯尼迪目前是大约20对筑巢的秃鹰的家园。
詹姆斯·韦伯太空望远镜拍摄到壮观的星系合并Arp 220
在NASA的詹姆斯·韦伯太空望远镜拍摄的这张照片中，Arp 220就像一座闪耀在星系海洋中的辉煌灯塔，照亮了夜空。实际上，两个螺旋星系在合并的过程中，Arp 220发出最亮的红外光，这使得它成为韦伯的理想目标。
意大利上空的淘气精灵
2023年4月17日 ELVES Lightning over Italy Image Credit & Copyright: Valter Binotto Explanation: What’s that red ring in the sky? Lightning. The most commonly seen type of lightning involves flashes of bright white light between clouds. Over the past 50 years, though, other types of upper-atmospheric lightning have been confirmed, including red sprites...
M2-9: 蝴蝶星云的翅膀
2023年4月16日 M2-9: Wings of a Butterfly Nebula Image Credit: Hubble Legacy Archive, NASA, ESA; Processing: Judy Schmidt Explanation: Are stars better appreciated for their art after they die? Actually, stars usually create their most artistic displays as they die. In the case of low-mass stars like our Sun and M2-9 pictured here, the stars transform themselves...
NASA一周新闻（2023年4月14日）
实验性超音速飞机的里程碑…在下一次飞行前伸展猎户座的机翼…以及帮助扑灭野火的技术…最新新闻速递，尽在「本周NASA」！
火星的Z字形逆行轨迹
2023年4月15日 When Z is for Mars Image Credit & Copyright: Tunc Tezel (TWAN) Explanation: A composite of images captured about a week apart from mid August 2022 through late March 2023, this series traces the retrograde motion of ruddy-colored Mars. Progressing from lower right to upper left Mars makes a Z-shaped path as it wanders past the Pleiades and Hy...
哈勃望远镜发现一个有卷须的星系
This image taken with the NASA/ESA Hubble Space Telescope shows JO204, a ‘jellyfish galaxy’ so named for the bright tendrils of gas that appear in this image as drifting lazily below JO204’s bright central bulk. The galaxy lies almost 600 million light-years away in the constellation Sextans. Hubble observed JO204 as part of a survey performed with the inten...