5461–5480 of 6,070 results

Astronomy & Observing News

Astro News Briefs: July 5–11

Mount Graham Fire Stabilizes July 9, 2004 | The wildfire threatening the Large Binocular Telescope (LBT) at Mount Graham, Arizona came within 650 meters of the observatory on July 6th, but firefighters halted its progress by carrying out a controlled burn ahead of the fire's path. Now, the worst seems…

Astronomy & Observing News

Stringy Holes: Hawking Concedes Defeat

The famed British physicist joins the mainstream in believing that black holes preserve information.

Astronomy & Observing News

Marathon Mystery Explained?

Astronomy historians have re-dated the 26-mile dash in ancient Greece that led to today's sport of marathoning.

Astronomy & Observing News

Mars Rovers Find More Evidence of Water

As Spirit and Opportunity visit new science targets, they continue to make important discoveries.

On the Road with David Levy

Comet Shoemaker-Levy 9: A Decade Later

This week marks the 10th anniversary of Comet Shoemaker-Levy 9 impacting the clouds of Jupiter. Sky & Telescope contributing editor and SL9 codiscoverer David Levy reflects on some of the events surrounding the Great Comet Crash.

People, Places, and Events

2004 Comet Award Winners

Veteran comet hunter William A. Bradfield with one of his comet seekers: a homemade 150-millimeter (6-inch) f/5.5 rich-field refractor on an altazimuth mount. To date, Bradfield has discovered 18 comets.Courtesy Kym Thalassoudis Two Australians will share the sixth annual Edgar Wilson Award for amateur comet discovery. According to IAU Circular…

Astronomy & Observing News

Hubble Panel Endorses Servicing Mission

A panel of outside experts has told NASA that another Hubble servicing mission is crucial, and that it should be carried out by Space Shuttle astronauts if necessary.

Astronomy & Observing News

Eta Carinae Plays Purple Haze

Recent studies show that the southern-sky supergiant Eta Carinae isn't just one massive star, it’s two.

Astronomy & Observing News

Wildfires Threaten Arizona Observatories

A lightning-triggered fire raged up the slopes of Mount Graham and has come within a mile of the unfinished Large Binocular Telescope.

Astronomy & Observing News

Cassini Peeks at Titan

Even when seen from 340,000 kilometers away, Saturn's giant moon has teased Cassini-Huygens scientists by revealing complex, mysterious surface features.

Astronomy & Observing News

Saturn's Magnetic Mysteries

The ringed planet has more than a pretty face: early results from Cassini-Huygens have uncovered strange goings-on in the giant elecctromagnetic bubble that surrounds it.

Astronomy & Observing News

Cassini's Picture-Perfect Arrival

The Cassini orbiter survived its entry into the Saturnian system, and provided stunning up-close images of the rings to prove it.

Celestial News & Events

LINEAR Puts in an Appearance

Comet LINEAR is visible to midnorthern observers until late June, after which it becomes a Southern Hemisphere object.

Celestial News & Events

Two Comets Head North

Early in June midnorthern observers can see Comet NEAT high in the western evening sky at about 4th magnitude and LINEAR emerging low in the west-southwest a little past its prime.

Astronomy & Observing News

Kalliope's Kin

The number of known binary asteroids continues to grow.

Astronomy & Observing News

Science Teams Await Leonid Storm

Researchers worldwide are looking forward to the new knowledge that they hope to gain from intensive studies of the Leonids' "last hurrah."

Astronomy & Observing News

Astronomers Discover Unique Brown-Dwarf System

Astronomers have imaged a brown dwarf system only 14 astronomical units from its companion.

Astronomy & Observing News

Lunar Leonids Strike Again

This video frame shows a lunar impact taken by Anthony Cook from atop an 11-story building in Alexandria, Virginia. Click on the image to see an animated GIF (334 KB) of the event. Each frame represents 1/60 of a second. The Leonid impact took place at 00:18:58 Universal Time November…