Sky & Telescope August 2010

FEATURED ARTICLES

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Einstein's Ultimate Laboratory
A recently discovered binary pulsar gives scientists the most rigorous test yet of general relativity.
By Michael Kramer

Glimpses of an Evolving Planet
A stroll through Earth's past gives astronomers vital clues to what terrestrial-sized exoplanets might look like.
By Jeff Hecht

In Perfect Focus
Modern imaging equipment demands the ability to focus with microscopic precision.
By Don S. Goldman & Barry B. Megdal

Dark Nights for the Perseids
Mark your calendar for meteor watching.
By Alan MacRobert

BEYOND THE PRINTED PAGE

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Earth's Past and the Search for Habitable Planets
S&T's chief editor interviews two leading experts on what habitable planets might look like.
By Robert Naeye

ALSO IN THIS ISSUE

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Amateur Astronomy's Southwestern Frontier
Long an observing paradise for professional astronomy, the American Southwest is sprouting new colonies of amateurs.
By Warren Keller

NEAF 2010: Bigger than Ever
You know spring has arrived when astronomers flock to Suffern, New York.
By Dennis di Cicco & Sean Walker

Modelling the 200-inch Telescope
With a little help from S&T readers, a Canadian amateur rekindles his fascination with a model of a 20th-century icon.
By Dan Ryan

Table of Contents
See what else August's issue has to offer.