4681–4700 of 6,715 results
Planck's universe

Cosmology

Planck's View of the Universe

A new all-sky map is showing cosmologists both the nearby, current universe and the faint echoes from its creation 13.7 billion years ago.

Solar System

Hayabusa's Waiting Game

Tiny particles have been found inside the capsule returned to Earth three weeks ago by the Hayabusa spacecraft. Are they bits of asteroid Itokawa — or contamination from the Australian landing site?

Calibrating CCD imagers

Astronomy & Observing News

Small-Telescope Research on Display

In mid-May, 2010, more than 100 professional and amateur astronomers came together for the Society for Astronomical Sciences's annual Symposium on Telescope Science.

iPod

Celestial News & Events

Tour July's Sky! | July 1st, 2010

Watch the west after sunset for a celestial parade led by brilliant Venus, then swing south to get cozy with Scorpius. Host: S&T's Kelly Beatty. (5MB MP3 download: running time: 5m 12s).

Astronomy and Society

A KBO in the Crosshairs

When an enigmatic object in the distant Kuiper Belt occulted a star last October, an international team of observers — including several amateur astronomers — were ready and waiting.

Eclipsed Moon sets over Tucson, Arizona

Celestial News & Events

In Search of Selenelion

Saturday's partial lunar eclipse offered some skygazers the rare chance to see the partly-hidden Moon and the rising Sun at the same time.

S&T Seven Decade DVD Collection

Astronomy & Observing News

S&T DVD Collection FAQ

Here are answers to some of the most frequently asked questions about The Complete Sky & Telescope: Seven Decade Collection on DVD-ROMs.

Pan-STARRS in dawn's light

Professional Telescopes

Two Wide Eyes on the Sky

Astronomers are starting to make observations with the first Pan-STARRS telescope in Hawaii (seen here) and the LOFAR radio interferometer in the Netherlands.

Professional Telescopes

A Cauldron of Newborn Stars

The Hubble Space Telescope has returned its high-definition gaze to a spectacular bubble of glowing hydrogen known as N 11 in the Large Magellanic Cloud.

June 26th's lunar eclipse

Celestial News & Events

Saturday's Predawn Lunar Eclipse

You'll have to get up early — or party into the wee hours the night before — to see the Moon slide partly through Earth's shadow before dawn on June 26th.

Solar System

The Moon: Damp from Day One

A new analysis of Apollo samples, using technology that didn't exist 40 years ago, finds that water (just a bit of it) must be present inside the Moon.

Astronomy & Observing News

All of S&T on DVD

Rumors have been flying around for months, but now it's official. Starting today, we're taking orders for The Complete Sky & Telescope: Seven Decade Collection on DVD-ROMS.

Exoplanets

A Tidal Wave of Exoplanet Candidates

NASA's Kepler mission has found more than 700 stars that seem to have planets crossing their faces, mission scientists have announced. But it will take a lot of followup to separate the real ones from the false alarms.

Solar System

The Jupiter Meteor that Didn't Go Splash

Scrutiny by Hubble finds no mark on Jupiter from the impact that two amateurs videorecorded on June 3rd. Apparently, the incoming meteor burned up high above Jupiter's clouds.

Solar System

Welcome Home, Hayabusa!

In a thrilling tale of triumph over adversity, the Japanese probe Hayabusa slammed into Earth's atmosphere over Australia on June 13, 2010.

Astronomy & Observing News

Walt Whitman's "Meteor-Procession"

A team led by Texas State astronomer Donald W. Olson identifies a meteoric event described by Walt Whitman in Leaves of Grass with a real event the poet probably witnessed from New York City on July 20, 1860.

Astronomy & Observing News

Jupiter Takes Another Hit!

On June 2, 2010, amateur planetary imagers Anthony Wesley and Christopher Go both captured an apparent meteor impact flare on Jupiter — as it happened!

Professional Telescopes

"First Light" for a Flying Telescope

SOFIA, the Stratospheric Observatory for Infrared Astronomy, has finally feasted on starlight after a tortuous 14-year development.

Celestial News & Events

Tour June's Sky! | May 28th, 2010

June's nights are the shortest all year for northern skywatchers, but as a consolation you'll find Venus, Mars, and Saturn in the evening sky.

Celestial News & Events

Ceres in 2010

Ceres, the largest main-belt asteroid, is well placed for observation in June through August 2010.