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News

Astronomers Measure Mass of a Single Star

07/15/2004 12:00AM

Astronomers Measure Mass of a Single Star

Astronomers have directly measured the mass of a single star — the first time such a feat has been accomplished for any solitary star other than our own Sun.

AstroImage 2004

07/14/2004 12:00AM

AstroImage 2004

The Orange County Astronomers will host AstroImage 2004 on August 27 and 28 at the Curtis Theater in Brea, California.

FITS format liberation

07/11/2004 12:00AM

FITS format liberation

DIY astronomical images with the expert touch using a software tool created by developed by imaging scientists at the European Space Agency, the European Southern Observatory and NASA...

Sagittarius A*: Center of the Spin Zone

07/10/2004 12:00AM

Sagittarius A*: Center of the Spin Zone

The National Radio Astronomy Observatory pulls back the curtain on the very center of our galaxy and helps put the right spin on just how fast we're spinning...

Chandra looks over a cosmic four-leaf clover

07/07/2004 12:00AM

Chandra looks over a cosmic four-leaf clover

NASA’s Chandra X-ray Observatory has uncovered evidence that a single star in a foreground galaxy may have magnified X-rays coming from a rare quadruple quasar. About 11 billion light years from Earth, the Cloverleaf quasar is a single object that appears as four images. The Marshall Center manages the Chandra program.

Astronomers predict a better than average rate for Fourthiads this year

07/04/2004 12:00AM

Astronomers predict a better than average rate for Fourthiads this year

This odd atmospheric phenomenon, primarily only visible in the skies over North America, has delighted and fascinated observers since the first recorded sighting in 1776...

Seeing Double: Spitzer Captures Our Galaxy's Twin

07/03/2004 12:00AM

Seeing Double: Spitzer Captures Our Galaxy's Twin

What would our Milky Way galaxy look like if we could travel outside it and snap a picture?

Fresh Cassini Pictures Show Majesty of Saturn's Rings

07/02/2004 12:00AM

Fresh Cassini Pictures Show Majesty of Saturn's Rings

The first pictures taken by the Cassini spacecraft after it began orbiting Saturn show breathtaking detail of Saturn's rings...

Hubble grabs star-forming region in the LMC

07/02/2004 12:00AM

Hubble grabs star-forming region in the LMC

NASA's Hubble Space Telescope captures this iridescent tapestry of star birth in a neighboring galaxy in this panoramic view of glowing gas, dark dust clouds, and young, hot stars.

Adirondack Public Observatory

06/29/2004 10:02AM

Adirondack Public Observatory

Amateur Astronomers Group to Build Observatory

Gas Clouds in Whirlpool Galaxy Yield Important Clues Supporting Theory on Spiral Arms

06/28/2004 12:00AM

Gas Clouds in Whirlpool Galaxy Yield Important Clues Supporting Theory on Spiral Arms

Astronomers studying gas clouds in the famous Whirlpool Galaxy have found important clues supporting a theory that seeks to explain how the spectacular spiral arms of galaxies can persist for billions of years.

Asaph Hall and the Moons of Mars

06/27/2004 12:00AM

Asaph Hall and the Moons of Mars

From the News Archives: On a sultry August night in 1877, U. S. Naval Observatory astronomer Asaph Hall discovered the two moons of Mars, Phobos and Deimos, using the Observatory's 26-inch "Great Equatorial" refracting telescope (by Alvin Clark), then the largest of its kind in the world.

Titan: Through the Haze

06/25/2004 12:00AM

Titan: Through the Haze

The Cassini spacecraft has beamed back a new, more detailed image of smog-enshrouded Titan. This view represents an improvement in resolution of nearly three times over the previous Cassini image release of Titan.

Radio Telescopes Reveal Youngest Stellar Corpse

06/24/2004 12:00AM

Radio Telescopes Reveal Youngest Stellar Corpse

Astronomers using a global combination of radio telescopes to study a stellar explosion some 30 million light-years from Earth have likely discovered either the youngest black hole or the youngest neutron star known in the Universe. Their discovery also marks the first time that a black hole or neutron star has been found associated with a supernova that has been seen to explode since the invention of the telescope nearly 400 years ago.

Chandra turns up the heat in the Milky Way center

06/23/2004 12:00AM

Chandra turns up the heat in the Milky Way center

NASA's Chandra X-ray Observatory has revealed new evidence that extremely hot gas exists in a large region at the Milky Way's center. The discovery came to light as a team of astronomers used Chandra's unique resolving power to study a region about 100 light years across.