FEATURED ARTICLES |
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 |
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 |
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.