May/June 2011

May/June 2011

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MISSION TO LARGEST ASTEROIDS

This summer, powered by an ion propulsion engine, a NASA spacecraft called Dawn will begin a five-year study of the two largest asteroids in the solar system, Ceres and Vesta. BY RANDY ATTWOOD

READERS’ PHOTO GALLERY

Here is the latest selection of astro-images submitted by our readers, all of them taken from Canada by amateur astronomers using their own equipment.

EXPLORING THE NIGHT SKY

A Rare Gathering of Planets: Four planets cluster low in the morning sky, while Saturn sidles up to a star in the evening. BY ALAN DYER

PRODUCT REVIEW

TeleVue’s New 3.7mm Ethos-SX and ParacorrType 2: Continuing with further expansion of its already extensive line of innovative eyepieces,TeleVue breaks new ground—again. BY TODD CARLSON

SPRING SKY CELESTIAL TARGETS FOR BINOCULARS AND SMALL SCOPES

Two galaxies, eight binary stars, one nebula and two star clusters are among the cosmic treasures available in the spring evening sky—if you know where to look. BY TERENCE DICKINSON

SUMMER STAR PARTY CALENDAR

SCOPING THE SKY

Vive la Différence! Looking for a couple of contrasting star clusters? Consider the open cluster Melotte 111 and the globular cluster Messier 3. BY KEN HEWITT-WHITE

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