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aboard Adventure alien Axle begin black hole button chance choice choose colors command craft creatures crew cure dangerous decide destroyed device dinosaurs discs drift Earth-type Edward Packard escape feel fever ﬁght ﬁghting ﬁnd ﬂight ﬂip forces frightened future Galactic Court galaxy giant gravitational field happen hostile humming sound jiggling join laser beam light light-island living Lodzot look luck mass Mermah meteor shower Milky Way galaxy mind-scan minimum leader mission mother ship navigation nebula negotiate particles peace Phonon pirates planet Earth pollution portholes problems pursuit ships quarks R.A. Montgomery radar probe radio for help realize research station retum Rift Valley rush says seems shadow ship’s Space Academy space caravan space pilot spacecraft spacepod spaceship star stop suddenly supernovas talk tell things tion trans-galactic Tyrannosaurus Tyrannosaurus Rex Universe Governing Body wander weapons Zermacroyd