April 2007
The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.
Features
Black holes: seeing the unseeable
New technology will reveal the event horizon – direct evidence that black holes exist.
Online extra: Watch a black hole spin
Animation shows the energetic region near a massive object”s point of no return.
New Horizons flies past Jupiter
Bound for Pluto, the New Horizons spacecraft gets the closest look at Jupiter and its moons in 4 years.
Online extra: New Horizons at Jupiter
Follow NASA”s New Horizons mission as it whisks past Jupiter.
The Big Bang + 1 second
Scientists are trying to find the torrent of neutrinos unleashed following cosmic genesis.
Explore a dozen must-see galaxies
Venture off the beaten path to observe twelve extragalactic gems Messier missed.
Online extra: Explore 14 more spring galaxies
Northern California observer Steve Gottlieb lists more than a dozen targets awaiting you at the eyepiece.
Observe the sky’s most colorful double stars
You’ll have no problem seeing these celestial beauties through a small telescope, even through haze and light
pollution.
pollution.
An easy guide to astro-speak
If you’ve ever wondered about some of the terms astronomers use, here’s an illustrated guide.
Orion’s new 4-inch powerhouse
The 100ED EQ-G’s high-quality optics provide plenty of great sky views at a price that doesn’t break the bank.
Departments
This month in Astronomy
Beautiful universe
Letters
Bob Berman’s strange universe
Glenn Chaple’s observing basics
Stephen James O’Meara’s secret sky
News
The sky this month
New products
Coming events
Advertiser index
Resources
Reader gallery