5941–5960 of 6,014 results

Celestial News & Events

June's Transpacific Solar Eclipse

Most of North America is in line to see the partial phase of June's annular eclipse of the Sun.

Celestial News & Events

May's Penumbral Lunar Eclipse

On May 26th skywatchers in the Pacific Rim region can watch the Moon pass through the outer fringe of Earth's shadow.

Astronomy & Observing News

Asteroid Chasers Are Seeing Double

Once considered virtually impossible, binary asteroids are turning up everywhere — especially in Earth's vicinity.

Astronomy & Observing News

Yuji Hyakutake (1950–2002)

Famed comet discoverer Yuji Hyakutake died on April 10th of a heart aneurysm.

Astronomy & Observing News

Comet Borrelly: Dry and Hot

The experimental spacecraft Deep Space 1 caught some lucky breaks when it plunged deep into a comet's coma last September.

Astronomy & Observing News

Quark-Matter Stars Said Found

Two groups of astronomers say they have found superdense objects even smaller and weirder than neutron stars, and made of a substance like nothing else in the universe.

Celestial News & Events

Dance of the Planets Concludes

The grand and beautiful planetary lineup is drawing to a close as Venus approaches Jupiter in the western sky at dusk.

Astronomy & Observing News

Astro News Briefs: April 8–14

Editor's Note: This week astronomers from around the world have gathered at Bristol University in Bristol, England, for the annual United Kingdom National Astronomy Meeting. The following Astro Briefs highlight news items reported at the conference. All Black Holes Sing the Same Song April 9, 2002 | Using the Rossi…

Astronomy & Observing News

A Pretty Pair of Fuzzies

Comet Ikeya-Zhang and the Andromeda Galaxy (M31) make a pretty pair in this image acquired on April 4th. Although not visually obvious, the comet sports a (blue) gas tail as well as a dust tail. North is up.Courtesy Gerald Rhemann. On April 4th Comet Ikeya-Zhang paid a visit to the…

Astronomy & Observing News

Threatening Asteroid Aids Planetary Prognosticators

Asteroid 1950 DA may have a 1-in-300 of hitting Earth in 2880, and in deriving those odds dynamicists have learned much about all the factors that affect those long odds.

Astronomy & Observing News

Astro News Briefs: April 1–7

Asteroid Population Doubles April 5, 2002 | Observations made in 1996–97 by the European Space Agency's Infrared Space Observatory show that the asteroid belt contains about twice as many objects as previously thought. The new census involved tallying up the main-belt asteroids spotted in selected locations, then extrapolating those counts…

Astronomy & Observing News

A Daily Dose of Mars

Get the latest view of the red planet from the Mars Odyssey 2001 spacecraft.

Astronomy & Observing News

Fainter Faint Fuzzies

They're not open clusters and they're not globulars; astronomers have found a third kind of star cluster inhabiting some galaxies.

Astronomy & Observing News

Galactic Baby Boom

The Hubble Space Telescope uncovers a galaxy teeming with young stars.

Celestial News & Events

A Bonanza of Comets

In addition to Comet Ikeya-Zhang, there are 3 faint comets currently visible to Northern Hemisphere observers.

Astronomy & Observing News

Close-call Asteroid Causes More Worries

Near-Earth asteroids pose a threat to our planet.S&T illustration by Steven Simpson. Billed as the "blind-spot" asteroid, a building-size space rock passed the Earth unnoticed two weeks ago. An automated sky survey detected minor planet 2002 EM7 on March 12th. Subsequent orbital calculations determined that the asteroid had come closest…

Astronomy & Observing News

New Amateur Comets

A pair of amateur astronomers have visually spotted a new comet cruising through Aquila.

Astronomy & Observing News

Radar Reveals Big Splash on Mercury

Using Arecibo's powerful radar system, astronomers have identified what may be one of the solar system's youngest craters on the Sun-scorched plains of Mercury.

Astronomy & Observing News

Measuring Martian Radiation: Good and Bad News

An artist's depiction of the 2001 Mars Odyssey spacecraft firing its engine to brake upon reaching Mars. The brightly colored landscape represents the surface-composition mapping that the craft will return — a major mission objective.Courtesy NASA/JPL. Mars Odyssey, the latest orbiter to start mapping the red planet, is back to…

Astronomy & Observing News

Astro News Briefs: March 25–31

Forming Amino Acids in Interstellar Space March 29, 2002 | In two papers published in this week's Nature, scientists have come closer to understanding if amino acids are created in space. While these molecules clearly form on Earth today, some cosmochemists believe that the first fundamental building blocks for life…