May/June 2009
Volume 5. Number 4. Issue 37

COVER STORY
Solar Impact
Variations in the Sun's output influence Earth's climate in ways scientists are still trying to discern.
By Kristina Grifantini
NEWS & FEATURES
News Notes
- A Neptune-Mass Planet
- Double Pulsar Pinned Down
- New Moon for Saturn
and more...
Mission Update
By Jonathan McDowell
Cosmic Relief
Mars: Feel the Vibe
By David Grinspoon
Insight
Ten things you may not know about Europa.
The Hunt for Missing Supernovae
Astronomers are using adaptive optics to help solve a supernova puzzle.
By Stuart Ryder and Seppo Mattila
The First Earth-Size Exoplanet
A newly discovered world may be the planet from hell, but it will also open the floodgates to future great discoveries.
By Brandon Tingley
Astronomy's Discovery Machine
As Hubble marks its 19th anniversary and receives one last upgrade, its discoveries have opened our eyes to a strange and wonderful universe.
By Greg Bryant
Cosmic Cataclysms
When giant black holes collide, the surrounding space-time trembles.
By Robert Zimmerman
PRODUCTS & REVIEWS
New Product Spotlight
- Howie Glatter's tuBlug collimation tool
- Celestron's SkyScout
- Apogee Instrument's Alta U8300 CCD camera
Books & Beyond
- The Herschel Legacy
- The Road to the Space Telescope
AS&T Test Report
FLI's Microline ML8300: High Resolution for Small Scopes
Tiny pixels make this CCD camera a big chip in a small package.
By Sean Walker
OBSERVING & EXPLORING
Binocular Highlight
Doubly Deceptive
By Les Dalrymple
Tonight's Sky
Constellations Big and Small
By Greg Bryant
Sun, Moon, and Planets
Venus and Mars gather at Dawn
By Greg Bryant
Celestial Calendar
A Venusian Occultation
By Steve Kerr
Celestial Calendar
A Full Hand of Comets
By David Seargent
Celestial Calendar
An Early May Meteor Shower
By Greg Bryant
Exploring The Moon
Filling Up Copernicus
By Charles A. Wood
Suburban Star-Hop
Binaries in your Bootes
By Ken Hewitt-White
Deep Sky Delights
Centaurus A and friends
By Les Dalrymple
Double Star Notes
From the Centaur's Treasures
By Ross Gould
Targets
V is for Virgo
By Sue French
ACTIVITIES & PEOPLE
Imaging the Orion-Eridanus Superbubble
Commercially available cameras and software allow today's amateurs to create unprecedented images.
By Dennis di Cicco and Sean Walker
Telescope Workshop
A Slippery Slope
By Paul Mortfield
Club Profile
University of New England and Northern Tablelands Astronomical Society
By Chris Wyatt
Community News
Astronomy's Matriarch
William Herschel, one of the greatest astronomers of the 18th century, couldn't have done it alone.
By Michael Hoskin
Gallery
Ask AS&T
- Naked-eye temperature extremes
- Ephemeral constellations
ALSO IN THIS ISSUE
Spectrum
Hubble's Legacy
By Greg Bryant
Subscription Offer
Subscribe and receive a free Star Chart CD! See our offer
Manufacturer & Dealer Directory
Focal Point
Street-level Stargazing
By Duane Frybarger
Index to Advertisers