1959年8月14日：探险者号（Explorer 6）拍摄地球

1959年8月，美国国家航天局（NASA）发射了探险者号卫星，旨在研究地球的磁场、辐射及宇宙线等环境。该卫星携带了光电扫描仪，成功实现了对地球云量的拍摄任务。

NASA’s Explorer 6 satellite was launched Aug. 7, 1959, from Cape Canaveral, Florida. The spacecraft’s mission was to study Earth’s magnetic fields and radiation, as well as cosmic rays, geomagnetism, and micrometeorites. It also carried a photocell scanner, an instrument intended to photograph Earth’s cloud cover. A complication with one of its solar cells left Continue reading "Aug. 14, 1959: Explorer 6 images Earth" The post Aug. 14, 1959: Explorer 6 images Earth appeared first on Astronomy Magazine .