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Astronomy September 2007
COVER STORY What lurks between galaxies? An ever-expanding portion of the cosmos contains virtually nothing, but what little there is may tell astronomers how galaxies formed and evolved. BRUCE DORMINEY

Will supernovae shine new light on dark energy Bob Berman goes behind the scenes at Carnegie Observatories to get the scoop on an unprecedented survey of exploding stars. BOB BERMAN

All about the Dumbbell Nebula One of the sky's greatest showpieces reveals a snapshot of the solar system's future. RAYMOND SHUBINSKI

Visit your friendly neighborhood observatory You don't have to travel as far as you might think to get spectacular views through a telescope. LAURA LAYTON

Seeing in the Dark Timothy Ferris takes on his greatest challenge in film-making: recreating the sights, sounds, and emotions of stargazing. DANIEL PENDICK

Meade's affordable large refractor The LXD75 AR-6 AT achromat delivers high-quality performance. TOM TRUSOCK

ASY070901pad$6.95pad