SUNSET: 
Sky & Telescope October 2013
FEATURED ARTICLES The Great Supernova Race In the efforts to discover exploding stars, professionals have taken the lead, but amateurs have managed to stay in the game.By Robert Zimmerman Back to the Big Bang A faint signal hidden in the universe's earliest light might reveal what happened in the first…
Join the Great Supernova Race
Supernova 1987A exploded just 168,000 light-years away in the Large Magellanic Cloud, captured here in a Hubble Space Telescope image.NASA / ESA / K. France / P. Challis / R. Kirshner In the cover story of the October 2013 issue of Sky & Telescope, author Bob Zimmerman tells the story…
Sky & Telescope September 2013
FEATURED ARTICLES The History of Water on Mars How many times has NASA discovered water on Mars? We set the record straight.By Emily Lakdawalla Solving the Quasar Puzzle Fifty years ago, recently discovered "radio stars" began revealing their exotic secrets.By Bradley Peterson Deciphering Starlight In Europe, many amateurs are engaging…
Water on Mars
How many times has NASA discovered water on Mars? For the answer, look in the September 2013 issue, where author Emily Lakdawalla sets the record straight. Orbiters and landers have returned so many beautiful high-res images, we couldn't include them all in the article. To see more of the photographic…
Resources for Amateur Spectroscopy
Check out these links to learn more about conducting spectroscopy with amateur telescopes.
Current B-mode Projects
More information about the projects searching for evidence of the universe's inflation, mentioned in our October 2013 issue.
Sky & Telescope August 2013
FEATURED ARTICLES Exoplanets Everywhere A leading researcher answers the most pressing questions about our galaxy's enormous population of planets.By Sara Seager The Women Who Created Modern Astronomy Three Harvard "computers" established our current understanding of the stars.By John Dvorak The New Social Face of Astronomy Join the revolution that's forging…
Exoplanets: The Next Frontier
Sara Seager sits down with S&T's Editor in Chief Robert Naeye to talk about the future of exoplanet studies and the exotic worlds we might find.
Sky & Telescope July 2013
FEATURED ARTICLES Is Plate Tectonics Necessary for Sentient Life? Water, atmosphere, and pleasant temperatures are nice, but active geology could make or break a planet's habitability.By Bruce Dorminey Observing the Milky Way, Part I: Sagittarius & Scorpius Binoculars are the ideal tool for exploring the galaxy we call home.By Craig…
NEAF 2013 Videos Are Here!
Check out our videos from the 22nd annual Northeast Astronomy Forum, one of the world's largest telescope shows.
Sky & Telescope June 2013
FEATURED ARTICLES Star-Shredding Black Holes Dormant black holes turn into ravenous beasts when renegade stars wake them from their slumber.By Suvi Gezari The Chelyabinsk Super-Meteor Scientists are piecing together the story of the largest asteroid impact with Earth since 1908.By Daniel D. Durda The Story of Einstein's Telescope A telescope…
Color Balance with eXcalibrator
To accurately balance color CCD images, there are a number of techniques and tools to get you in the ballpark. I use eXcalibrator to balance all my color-filtered images. The program analyzes your red, green and blue FITS files in search of white stars, then automatically computes RGB ratios based…
Updates on Comet PanSTARRS
Comet PanSTARRS is fading, but (as of late April now) it's moving high in the north approaching Polaris. So, at last, it's visible in a dark sky all night.
Einstein's Telescope: A Gallery
All photos courtesy of Eden Orion. Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion
Sky & Telescope May 2013
FEATURED ARTICLES Saturn’s Amazing Rings Astronomer’s understanding of these beautiful bands has come a long way since Galileo first spied “a case so surprising” in 1610. By J. Kelly Beatty How Worlds Get Out of Whack Several gravitational mechanisms can cause planets to migrate substantial distances from their formation orbits.…
The asteroid occultation of July 29, 2013
As told in the July 2013 Sky & Telescope, on the morning of July 29th a 9.1-magnitude orange star in Aries will vanish for up to 3 seconds behind the invisibly faint asteroid 1074 Beljawskya, as seen from a narrow track running from west Texas through southern Missouri, Ohio, southeasternmost…
The asteroid occultation of June 11-12, 2013
As told in the June 2013 Sky & Telescope, on the morning of June 12th a 6.4-magnitude star in southern Ophiuchus east of Antares will wink out for up to 4 seconds along a track from Oklahoma across northwest Texas, southern New Mexico, and southern Arizona, when it is occulted…
The Battle of Chancellorsville
In a feature article of the May 2013 issue of Sky & Telescope, author Don Olson highlights the role of the Moon in Stonewall Jackson's fatal wounding. Below, we feature a gallery of images that couldn't fit in the magazine. This circa-1890 painting shows Stonewall Jackson at the Battle of…
Sky & Telescope April 2013
FEATURED ARTICLES Exploring Caves on Other Worlds Future colonists on the Moon and Mars will initially live in caves. That’s why scientists today are on the lookout for underground passages.By Robert Zimmerman Liquid Astronomy The Large Zenith Telescope’s mercury mirror provides critical insights for next- gen instruments.By Eagle Gamma Remembering…
Roundup for Russian Meteor
The meteoroid that exploded over Chelyabinsk, Russia, on February 15, 2013, left the world reeling. In this article you can find information and links to all our coverage of the event.
