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Astronomy & Observing News

Sky & Telescope November 2011

Sky & Telescope's November 2011 issue is now available to digital subscribers.

Exoplanets

Planet Hunters are Losing Count

The latest 500 planet candidates from the Kepler mission are just part of the story. But Terra II remains elusive.

Solar System

One Image, Five Moons

A quintet of Saturn's moons come together in the Cassini orbiter's field of view for a group portrait.

Astrobiology

SETI Projects Weather Recession

Although funding has eroded for SETI@home and the Allen Telescope Array in the past few years, both alien-hunting projects have survived, thanks to donors and volunteers.

Equipment: Guides & Recommendations

Highlights From PATS 2011

This year's Pacific Astronomy and Telescope Show is a great place to see new, old, and occasionally surprising astronomy products.

Celestial News & Events

M101's Supernova Shines On

As of October 3rd the supernova in the galaxy M101 was down to about magnitude 11.1, after peaking in mid-September at 9.9. It's fading by about 0.1 magnitude every two days now, and it has changed from white to strikingly orange-red.

Exoplanets

A Planet Orbiting Two Suns

NASA's Kepler mission has found an exoplanet that orbits a close pair of stars. This Tatooine-like world should have a lot to tell about planet formation in binary star systems.

Astronomy & Observing News

Solar Flares Aren't What They Seemed

Recent data from NASA's Solar Dynamics Observatory show that solar flares are more powerful than they were previously thought to be.

Exoplanets

50 New Worlds and a Big, Pleasant Earth?

The HARPS planet-hunting spectrograph of the European Southern Observatory has just produced 50 more worlds — one of which may be not too hot, and not too cold by Earth-creatures' standards.

GRAIL spacecraft above the Moon

Solar System

GRAIL Heads for the Moon

By this time next year, the twin spacecraft of NASA's Gravity Recovery and Interior Laboratory mission should have given geophysicists an unprecedented peek at the lunar interior from crust to core.

Celestial News & Events

Antiope Occultation Yields Double Bonanza

When observers fanned out last July 19th to record a binary asteroid's passage across a distant star, they hoped to gain scientifically important new findings. The results are in, and they've scored big-time!

People, Places, and Events

Kenya's Rain of Meteorites

On the morning on July 16th, villagers heard a thunderous explosion in the sky and later found space rocks scattered throughout their corn fields.

Astronomy & Observing News

Sue French's New Book

Deep-Sky Wonders, the new book by Sue French, is now available for pre-order.

Comet Garradd and M71

Celestial News & Events

Trusty Comet Garradd

Comet C/2009 P1 Garradd is shining at 7th or maybe even 6th magnitude as it traverses southeastern Hercules.

Comet Garradd and M71

Celestial News & Events

Lots Going On in the Sky

The first week of September will be a memorable time for observers in the Northern Hemisphere.

iPod

Celestial News & Events

Tour September's Sky! | August 31st, 2011

This is a month of transition: Northern summer becomes autumn, Saturn sets just before Jupiter rises, and Venus is moving from the morning sky before dawn to the evening sky.

This photo was taken on August 20, 2011, at Observatory Park's dedication ceremony.  The image depicts a sundial in the park's plaza.

People, Places, and Events

Dark Skies in Ohio

Where can you go in the Midwest to view the night sky unimpeded by light pollution? Ohio has a spot for you.

Celestial News & Events

Comet Elenin Self-Destructs

It was going to be the celestial highlight of 2011. Now Comet Elenin appears to have broken into pieces just two weeks prior to its perihelion.

Professional Telescopes

Webb Telescope: Progress and Problems

Despite threats by the House of Representatives to cut funding, the James Webb Space Telescope plans move ahead.

Exoplanets

A Planet Made of Diamond

Astronomers have discovered a truly weird planet-like object: a former star core apparently make of a superdense form of diamond, orbiting a pulsar with