Complex sentence: A research base developed and constructed by the Allenby Corporation and Earth Control, the crew of Vita 1 was to research alien life and microfossil bacteria after discovering a meteorite from Mars had actually contained living bacteria.
Split into simpler sentences: A research base developed and constructed by the Allenby Corporation and Earth Control. The crew of Vita 1 was organised to research alien life and microfossil bacteria after discovering a meteorite from Mars that actually contained living bacteria.