Lalande 21185 was a star in the constellation of Ursa Major. (PROSE: Return of the Living Dad) The fourth planet orbiting the star was home to the Caxtarids. (PROSE: The Room With No Doors)

Every living thing on the Caxtarid planet was killed by a virus released during a rebellion two Lalandan years after 1983. Evacuations were planned, but even the ships they would have used to escape were chewed up. (PROSE: Return of the Living Dad)

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