位于国际空间站的Sally Ride EarthKAM由中学生编写程序后拍摄了撒哈拉沙漠的部分图像，非洲
© NASA
Make it your wallpaper.
From Bing's China edition, archived in May 2018. Choose a download size below.
© NASA
From Bing's China edition, archived in May 2018. Choose a download size below.
