一小步:尼尔·阿姆斯特朗的遗产
Born on August 5, 1930, Neil Armstrong would have been 89 years old today. During his lifetime, he was a man of many accompli…
Born on August 5, 1930, Neil Armstrong would have been 89 years old today. During his lifetime, he was a man of many accompli…
2019 August 6 The Local Void in the Nearby Universe Image Credit: R. Brent Tully (U. Hawaii) et al. Explanation: What does ou…
这幅艺术概念图对火星地震波进行了模拟:当地震波穿过火星不同的内部壳层时,它会是什么样子。 图片来源:NASA、JPL-加州理工学院、苏黎世联邦理工学院、马丁•范德里埃尔(Martin Van Driel) 在最近的一系列地震发生后,整个南加州的居民都…
在火星车“上路”之前,工程师会整晚发送计算机命令,告诉它第二天要去哪里。根据地形的复杂程度,他们可以发送一系列特定命令,例如:“向前行驶5米;然后右转90度。”火星车的轮子就会一直滚动直到行进了5米,然后右转到指定的位置。 《火星一分钟》系列延伸阅读…
美国航空航天局(NASA)最新的行星猎手,凌星系外行星巡天卫星“苔丝”(Transiting Exoplanet Survey Satellite,TESS),发现了一个全新的三行星世界:其中一颗行星半径略大于地球,另外两颗的大小属于我们的太阳系中没…
2019 August 3 Mimas in Saturnlight Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Peering from the shad…
Lost in the glare following the Apollo 11 Moon landing, two intrepid robotic spacecraft flew by Mars in the summer of 1969 an…