April 2006 resources

X-treme starsAstronomy article — Astronomer James Kaler and science writer Robert Irion have each described stellar extremes. See Kaler’s “Extreme stars” (January 1997) and Irion’s “Pursuing the most extreme stars” (January 1999). In “How hefty can a star get?,” Robert Burnham discusses why astronomers think there’s an upper limit to a star’s mass.Astronomy Assistant Editor Liz Kreusi wrote about the brightening of SN 1987A’s remnant in “Supernova’s colliding winds”.Astronomers have linked…