Two children are lying on a bed in s dark room, the duvet pulled up over their heads, using a penlight to read an illustrated book. The room...

Two children are lying on a bed in s dark room, the duvet pulled up over their heads, using a penlight to read an illustrated book. The room is on a space station, with huge panoramic windows showing a starry sky and the Milky Way. Part of Earth can be seen in the lower part of the window. The only light ...