1901–1920 of 1,952 results

Celestial News & Events

One Planet, One Moon, and Three Shadows

Clouds and poor seeing plagued much of North America on the night of March 27–28, 2004, but some observers still managed to see the remarkable triple shadow transit on Jupiter.

Celestial Objects to Observe

How Yuji Hyakutake Found His Comet

Ever wonder how somebody actually finds a comet, and what happens when he does? Here's one astronomer's story.

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.

Solar System

Storm Watch on Mars

If events of the past 30 years are an indication, there's a good chance that the Martian landscape may soon be cloaked by a major dust storm.

Celestial Objects to Observe

Asteroid Occultation in November

North Carolina skywatchers have a chance to see the asteroid 72 Feronia pass in front of an 8th-magnitude star around 2 a.m. Eastern Standard Time on November 5th.

Celestial Objects to Observe

Saturn Hides Another Star

On Tuesday November 25th, Saturn and its ring system glide in front of an 8.3-magnitude star in Gemini, the second time Saturn has occulted a star in 10 days.

Celestial Objects to Observe

Planetary Occultations for 2003

No matter where you live, there are plenty of chances to see an asteroid pass in front of a star this year.

Celestial Objects to Observe

Five Asteroids Meet

There’s a rare imaging challenge in Leo this month for amateurs with CCD-equipped telescopes.

Celestial Objects to Observe

Asteroid Aurora Occults a Star

On the night of September 24–25, minor planet 94 Aurora will pass directly in front of the 5th-magnitude star Chi Geminorum, blocking its light for up to 7 seconds.

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.

Path of Vesta in 2003

Celestial Objects to Observe

Vesta in Virgo

During April, Vesta has many close encounters with members of the Virgo Galaxy Cluster.

Celestial Objects to Observe

Lunar Occultation Highlights for 2003

Dozens of times this year, no matter where you live, the Moon can be seen hiding bright stars in its path. Here's when and where you can watch the Moon occult these stars.

Planets

Dust Storm on Mars

A large regional dust storm has enveloped several thousand square kilometers of the red planet and shows no signs of abating.

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.

Occultations

Crescent Moon Occults Venus

On Sunday evening, October 26th, Venus disappears behind the crescent Moon for observers in South America and Hawaii.

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.

Solar System

Another Martian Dust Storm

Less than one month after a localized dust storm appeared on the Martian surface, another dust cloud has spring up.

Planets

Mercury Transits the Sun

When this innermost planet passes between the Earth and the Sun on May 7th, it will appear as a tiny black "sunspot" in small telescopes.

Asteroid 2002NY40

Celestial Objects to Observe

Catch Hermes on the Fly

Since 1937, Hermes has made eight unseen flybys past Earth. In late October, the asteroid will be 13th magnitude — bright enough to be seen in scopes 10-inches and larger.

Advertisement
Advertisement
Advertisement
Advertisement