立体的梅西耶陨石坑
(原标题: Messier Craters in Stereo)
2026-05-09
浏览次数: 1491
地球天空中许多明亮的星云和星团都与天文学家查尔斯·梅西耶的名字联系在一起，他的名字来自他著名的18世纪星表。月球上这两个巨大而引人注目的陨石坑也以他的名字命名。在黑暗、光滑的月球生育海（Mare Fecunditatis）中，Messier（左）和Messier A的尺寸分别为15乘8公里和16乘11公里。它们细长的形状可以用极浅的角度轨迹来解释，然后是一个从左向右移动的撞击器，它挖出了陨石坑。这次浅层撞击还产生了两条明亮的物质射线，沿着火星表面向图片右侧延伸。这张引人注目的立体照片是最近通过对阿波罗11号登月任务期间拍摄的两张照片（AS11-42-6304和AS11-42-6305）的高分辨率扫描而成的，旨在用红/蓝眼镜（左眼为红色）观看。
查看原文解释
Many bright nebulae and star clusters in planet Earth's sky are associated with the name of astronomer Charles Messier from his famous 18th century catalog. His name is also given to these two large and remarkable craters on the Moon. Standouts in the dark, smooth lunar Sea of Fertility or Mare Fecunditatis, Messier (left) and Messier A have dimensions of 15 by 8 and 16 by 11 kilometers respectively. Their elongated shapes are explained by the extremely shallow-angle trajectory followed by an impactor, moving left to right, that gouged out the craters. The shallow impact also resulted in two bright rays of material extending along the surface to the right, beyond the picture. Intended to be viewed with red/blue glasses (red for the left eye), this striking stereo picture of the crater pair was recently created from high resolution scans of two images (AS11-42-6304, AS11-42-6305) taken during the Apollo 11 mission to the Moon.