Across the aisle, celebrities formed a comet: from the small point of Ellsworth Toohey, well in front, a tail of popular names stretched through the crowd: Lois Cook, Gordon L. Prescott, Gus Webb, Lancelot Clokey, Ike, Jules Fougler, Sally Brent, Homer Slottern, Mitchell Layton.
There are no more uses of "comet" in the book.
Show samples from other sources
I look under the sink and find a dried-out Brillo pad and a can of Comet.
Lauren Oliver -- Before I Fall
Three of us had giant camping flashlights, the glow illuminating jarring images: It was suburbia, post-comet, post-zombie, post-humanity.