5061–5080 of 5,250 results

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.

Astronomy & Observing News

Dark Matter Gets a Reality Check

There's no way to avoid it; galaxies really are surrounded by halos of unknown, invisible stuff.

Celestial News & Events

The Return of Comet Brewington

A comet discovered in 1992 will make its first predicted reappearance in late 2002.

Celestial News & Events

Eclipse Down Under

Observers in most parts of Australia and Africa are poised for December's partial eclipse of the Sun.

Astronomy & Observing News

Why Is Saturn Tipsy?

Astronomers now believe a long-distance relationship with Neptune has pushed Saturn's spin axis off to one side.

Astronomy & Observing News

Astro News Briefs: October 21–October 27

New Infrared Camera for Palomar 200-Inch Telescope October 21, 2002 | The California Institute of Technology recently attached a new digital infrared camera on its 200-inch Hale telescope at Palomar Observatory in hopes of detecting galaxies created soon after the Big Bang. The panoramic camera, complete with a $350,000 sensor…

Astronomy & Observing News

Gamma-Ray Satellite Launched

A new European spacecraft will scan the heavens for high-energy radiation.

Astronomy & Observing News

For Sale: Exoplanet Hunting Expedition

The Astronomical Society of the Pacific will auction a trip to Hawaii to join Geoff Marcy in hunting extrasolar planets.

Astronomy & Observing News

A Double Star's Planet

Astronomers have discovered the first planet that orbits one star of a close pair.

Astronomy & Observing News

Pluto's Warming Wisps

Pluto seems to be getting warmer, despite moving away from the Sun.

Astronomy & Observing News

Star Speeds Around Milky Way's Black Hole

Astronomers have clocked a star orbiting the black hole at the Milky Way's center, revealing its mass.

Astronomy & Observing News

Gamma-Ray Burst Caught in the Act

A fast worldwide alert enables astronomers to snag their best-observed gamma-ray burst ever.

Astronomy & Observing News

Pluto Mission Gets Boost in Congress

The prospects for a mission to Pluto look better than ever.

Astronomy & Observing News

Neutrino and X-ray Pioneers Earn Nobel Prize

The 2002 Nobel Prize for physics will be shared by three researchers who opened up two new fields of astronomical investigation.

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