5441–5460 of 5,647 results

Astronomy & Observing News

Astro News Briefs: December 16–22

"First Light" for Integral December 18, 2002 | In Paris, France, today, researchers from the European Space Agency (ESA) unveiled the initial images from the International Gamma-Ray Astrophysics Laboratory (Integral), the agency's most powerful high-energy observatory. The spacecraft, launched in October, carries four X- and gamma-ray telescopes, as well as…

Astronomy & Observing News

Rubble-Pile Moon

One of Jupiter's moons may actually be a loosely-packed ball of broken rocks.

Astronomy & Observing News

Double Bubble

The Hubble Space Telescope has unveiled a beautiful peanut-shaped dust cloud.

Astronomy & Observing News

Mystery Trains

Scientists are closer to determining what causes the lingering smoke train behind some meteors.

Astronomy & Observing News

Exoplanet's Mass Pinned Down

For the first time, astronomers have measured a star's side-to-side wobble caused by an orbiting planet.

Astronomy & Observing News

Darkness Falls Upon Dark Continent, Outback

December 4, 2002 brought with it yet another spectacular total solar eclipse.

Astronomy & Observing News

Martian Meteorites Made Easy

New simulations show that impacts on Mars should be blasting chunks of the Planet out into space — and eventually onto Earth — about once every 200,000 years.

Astronomy & Observing News

Jupiter's Lovers

Eleven of Jupiter's moons have received their official names.

Astronomy & Observing News

Astro News Briefs: November 18–24

"Tunguska" Impacts Rarer Than Thought November 21, 2002 | Over the past 8½ years, satellite sentinels operated by the U.S. Department of Defense have detected 300 powerful explosions in our atmosphere caused by asteroidal fragments from 1 to 10 meters across. That alarming statistic is relatively good news, says Peter…

Astronomy & Observing News

Hubble Tracks a Runaway Black Hole

New observations of a binary black-hole system may shed light as to its origin.

Celestial News & Events

Observing the Leonids

Here are some tips to help you observe the Leonid meteor shower.

Astronomy & Observing News

Lovell Telescope at Jodrell Bank Gets a Makeover

A classic radio telescope is ready for the 21st century.

Astronomy & Observing News

Astro News Briefs: November 11–17

Send your name to Mars and name a Martian rover.

Astronomy & Observing News

Super Sunspot Images

Using adaptive optics, a new solar telescope in the Canary Islands is taking the best-ever pictures of the Sun.

Astronomy & Observing News

Hubble Spooked by the “Little Ghost”

The Little Ghost Nebula, also known as NGC 6369, is more friendly than frightening to astronomers.Courtesy Hubble Heritage Team (STScI/AURA) and NASA. Peering toward the constellation Ophiuchus last February, Hubble’s Wide Field Planetary Camera 2 captured the planetary nebula NGC 6369, often referred to as the "Little Ghost Nebula." To…

Astronomy & Observing News

In Search of the First Star

This 16th-magnitude star in Phoenix contains the lowest metal content of any giant star known. It has less than 1/200,000 the metallicity of the Sun and is most likely a second-generation star.Courtesy European Southern Observatory. Details aside, the story is simple. The universe began with the Big Bang. From this…

Astronomy & Observing News

Cosmic Rays from the Kuiper Belt

The "anomalous cosmic rays" have finally had their origin pinned down — in the outer reaches of the solar system.

Astronomy & Observing News

Light Pollution Goes Mainstream

A major gathering in Boston, Massachusetts, demonstrates that astronomers aren't the only ones with good reasons to preserve the dark night sky.

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