# space opera of the time periods on the whole track millions of years ago which concerned activities in this and other galaxies. Space opera has space travel, spaceships, spacemen, intergalactic travel, wars, conflicts, other beings, civilizations and societies, and other planets and galaxies. It is not fiction and concerns actual incidents and things that occurred on the track. of or having to do with time periods on the whole track millions of years ago. of or relating to time periods with space travel, spaceships, spacemen, intergalactic travel, wars, conflicts, other beings, civilizations and societies, and other planets and galaxies.