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Astronomy & Observing News

An Average Perseid Meteor Shower

This year's Perseids performed just about as expected, though hazy, humid skies hindered the view from many places.

Astronomy & Observing News

Not a Quark Star After All?

A weird object announced last April appears to be an ordinary neutron star, not a strange new type of matter.

Astronomy & Observing News

Omega Centauri's Checkered Past

Signs of swallowed star groups have turned up in this great globular cluster. . . which may not really be a globular cluster at all.

Astronomy & Observing News

A Familiar Orbit in a New Crop of Exoplanets

A well-behaved giant planet orbits the Sunlike star 55 Cancri at the same distance Jupiter orbits the Sun.

Celestial News & Events

Moon Pairs with Jupiter and Venus

The crescent Moon forms two beautiful conjunctions with the two brightest planets during twilight Wednesday and Thursday.

Astronomy & Observing News

Hubble's Infrared Camera Back in Business

Dead for three years, the Hubble Space Telescope's NICMOS camera is again providing infrared views of the universe.

Astronomy & Observing News

Big Bang Picture Sharpens Up

New, sharper maps of the cosmic microwave background radiation are telling astronomers they're on the right track.

Astronomy & Observing News

A Cyclic Universe?

Maybe the Big Bang wasn't the beginning, but only the latest in an endless cycle of destructions and rebirths.

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

OGLEing Possible New Planets

By carefully watching the brightnesses of 52,000 stars, astronomers have found 43 that have small, dark objects periodically crossing their faces.

Astronomy & Observing News

Mars Odyssey Pays Early Dividends

After successfully settling into orbit around the Red Planet, NASA's Mars Odyssey has begin its 2½-year mapping mission.

Astronomy & Observing News

A Galaxy Turning Backward?

A spiral galaxy's arms trail behind when it rotates, right? Not always.

Astronomy & Observing News

Giant Eye Views the Horsehead

The cosmic chess piece, the Horsehead Nebula, is seen in all its glory through the eyes of the VLT.

Crescent Moon from video image


Close-Up of an Alien World

The lunar surface consists of more than just craters and mare. Here's a guide to some of the other lunar features.

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