[NativeNewYorker]

I believe you're thinking of "nemesis".

[NormsRevenge]

PlaNet x2004 ... The MiSSing PLaNeteeR Returns .. An AlBert Gorebels / Ed Wood Production




SEMPER FI

[Jay W]

I believe you're thinking of "nemesis".

No, I'm thinking of Vulcan.

[RJL]

I believe you're thinking of "nemesis".

From: http://www.space.com/scienceastronomy/solarsystem/nemesis_010320-1.html

Muller's Nemesis theory -- that our Sun has a companion star responsible for recurring episodes of wholesale death and destruction here on Earth -- seems to reemerge periodically like microbes after a mass extinction.