1421–1440 of 1,470 results

Celestial News & Events

A Disturbance In Jupiter's Clouds

A new, 40°-long, diffuse blue feature is currently visible at the interface between Jupiter's South Equatorial Belt and the Equatorial Zone.

Celestial News & Events

A Faint Southern-Sky Visitor

Although likely never brighter than 9th magnitude, Comet C/2002 O7 passes by some interesting sights during its tour of the southern sky.

Celestial News & Events

The Changing Face of Comet Encke

For Northern Hemisphere observers, this will be Comet Encke's closest approach to Earth since November 1838.

Celestial News & Events

Two Comets in 2004

A pair of comets will grace the evening sky in May; Southern Hemisphere observers will have fine views of both.

Celestial News & Events

The 2003 Leonids: Back to Normal?

Interactions between Earth and a pair of debris trails left by Comet Tempel-Tuttle may make for some interesting, albeit brief, Leonid meteor activity this year.

Celestial News & Events

Leonids '02: A Sprinkle in the Moonlight

Norwegian amateur Jarle Aasland caught this 2002 Leonid streaking past the bright star Aldebaran in Taurus, the Bull, at 4:57 UT on November 19th. He used a Nikon D100 (digital SLR) set to ISO 800 and a 5-second exposure.Courtesy Jarle Aasland. I arrived at the Sky & Telescope offices this…

Celestial News & Events

Leonids 2002: The Grand Finale

Despite the presence of a full Moon, the possibility of seeing one last Leonid storm should bring observers out in force.

Celestial News & Events

Moon Occults Mars

During the predawn hours of Thursday, July 17th, the waning gibbous Moon will cover Mars for skywatchers in southeastern Florida, the Caribbean, and parts of Central and South America.

Celestial News & Events

A Naked-Eye Spot Returns

The immense sunspot group that on November 4th ejected the largest solar flare ever recorded has rotated around the Sun and is back for a second pass across the Earth-facing side of the solar disk.

Sun on November 3, 2003

Celestial News & Events

More Solar Blasts

Two large sunspot groups, currently disappearing around the western limb of the Sun, spawned another round of powerful flares. The result could be one more fine display of the aurora.

Aurora on morning of Oct 29.

Celestial News & Events

Auroras Light Up the Sky

Many skywatchers who kept an aurora vigil during the morning hours of October 29, 2003, were richly rewarded by a spectacular display.

Aurora over Boston suburb

Celestial News & Events

Solar Flare Spawns More Aurora

For the second time in two nights, an explosion on the Sun triggered a widespread display of the northern lights, this time during the evening of October 30, 2003.

Celestial News & Events

A Frozen Eclipse

Though few people were fortunate enough to be in Antarctica to see it, the November 23rd total solar eclipse has been heralded as superb.

Celestial News & Events

A Far-Southern Eclipse of the Sun

Lands Down Under are the only places that will experience the solar eclipse of November 23–24.

Celestial News & Events

Mars: The Show Continues

Mars will remain a fiery yellow-orange beacon in the evening sky during the first half of September and will shrink and fade only a little until well into October.

Celestial News & Events

November's Lunar Eclipse

A brief total elipse on November 8–9 will be visible in the Americas, Europe, Africa, and western and southern Asia.

Celestial News & Events

Solar Flare Again Spawns an Aurora

For the second time in the last few days, a powerful flare on the Sun triggered an unusual display of the aurora borealis over some of the world's midlatitudes.

Celestial News & Events

The Orionids: Steady but Unspectacular

With a fat crescent Moon high in the sky during the predawn hours of the 21st, this is a so-so year for observing the annual Orionid meteor shower.

Celestial News & Events

Eclipse 2002: Africa or Australia?

In December the Dark Continent offers a longer duration of totality than the Australian Outback, but the latter site presents much better weather prospects. The choice is yours.

Celestial News & Events

The Dark of an Eclipsed Moon

Most observers who witnessed the lunar eclipse of May 15th described totality as being darker than usual.