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Chandra finds Milky Way's black hole grazing on asteroids

(PhysOrg.com) -- The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA's ...

Space & Earth / Astronomy

created Feb 08, 2012 | popularity 5 / 5 (7) | comments 12 | with audio podcast

Asteroid Vesta floats in space in high resolution 3-D

The giant Asteroid Vesta literally floats in space in a new high resolution 3-D image of the battered bodies Eastern Hemisphere taken by NASA’s Dawn Asteroid Orbiter.

Space & Earth / Space Exploration

created Feb 06, 2012 | popularity 4.8 / 5 (5) | comments 2

2012 BX34: Behind the scenes in the discovery of a near Earth asteroid

Several blockbuster movies, television shows and commercials have depicted the discovery of an asteroid heading towards Earth and usually, somehow, impending doom is averted. But how do the discoveries of ...

Space & Earth / Space Exploration

created Feb 02, 2012 | popularity 5 / 5 (2) | comments 0

Asteroids: The new 'It mission' for space exploration

The Japanese are heading back into space on a second attempt to collect samples from a nearby asteroid.

Space & Earth / Space Exploration

created Feb 01, 2012 | popularity 4.8 / 5 (4) | comments 0

Hayabusa 2 Mission approved by Japanese government

In 2010, the Japanese spacecraft Hayabusa completed an exciting although nail-biting mission to the asteroid Itokawa, successfully returning samples to Earth after first reaching the asteroid in 2005; the ...

Space & Earth / Space Exploration

created Feb 01, 2012 | popularity not rated yet | comments 0

Asteroid to make closest approach since 1975

On Tuesday, January 31, asteroid 433 Eros will come closer to Earth than it has in 37 years, traveling across the night sky in the constellations Leo, Sextans and Hydra. At its closest pass of 16.6 million ...

Space & Earth / Space Exploration

created Jan 30, 2012 | popularity 4.8 / 5 (4) | comments 5

Bus-sized asteroid shaves by Earth

An asteroid about the size of a bus shaved by Earth on Friday in what spacewatchers described as a "near-miss," though experts were not concerned about the possibility of an impact.

Space & Earth / Space Exploration

created Jan 28, 2012 | popularity 4.6 / 5 (21) | comments 21

8-meter-wide asteroid will pass close to Earth today

A small asteroid will pass extremely close to Earth tomorrow (January 27, 2012). Named 2012 BX34, this 11 meter- (36 feet-) wide 8 meter- (26-foot-) space rock (astronomers have updated their estimates of the ...

Space & Earth / Space Exploration

created Jan 27, 2012 | popularity 5 / 5 (7) | comments 0

Vesta likely cold and dark enough for ice

(PhysOrg.com) -- Though generally thought to be quite dry, roughly half of the giant asteroid Vesta is expected to be so cold and to receive so little sunlight that water ice could have survived there for ...

Space & Earth / Space Exploration

created Jan 25, 2012 | popularity 4.8 / 5 (4) | comments 97 | with audio podcast

Rice lab mimics Jupiter's Trojan asteroids inside a single atom

Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...

Physics / Quantum Physics

created Jan 24, 2012 | popularity 4.5 / 5 (13) | comments 6 | with audio podcast

Stolen New Mexico meteorite worth $20K-$40K found

(AP) -- A meteorite that landed in Russia in the 1940s and was recently stolen from the University of New Mexico in Albuquerque has been located.

Space & Earth / Space Exploration

created Jan 10, 2012 | popularity 4.3 / 5 (3) | comments 0

Space mountain produces terrestrial meteorites

When NASA's Dawn spacecraft entered orbit around giant asteroid Vesta in July, scientists fully expected the probe to reveal some surprising sights. But no one expected a 13-mile high mountain, two and a half ...

Space & Earth / Space Exploration

created Jan 02, 2012 | popularity 4.2 / 5 (13) | comments 7 | with audio podcast

Dawn sends first low altitude images of Vesta

(PhysOrg.com) -- NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit. The images, obtained by the framing camera, show the stippled and lumpy ...

Space & Earth / Space Exploration

created Dec 21, 2011 | popularity 4.2 / 5 (10) | comments 3 | with audio podcast

NASA considers sending a telescope to outer solar system

Light pollution in our inner solar system, from both the nearby glow of the Sun and the hazy zodiacal glow from dust ground up in the asteroid belt, has long stymied cosmologists looking for a clearer take ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 4.8 / 5 (9) | comments 30

Dawn spacecraft spirals down to lowest orbit

(PhysOrg.com) -- NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations. The spacecraft is now circling Vesta ...

Space & Earth / Space Exploration

created Dec 13, 2011 | popularity 4.6 / 5 (8) | comments 4 | with audio podcast

Asteroid

Asteroids, sometimes called minor planets or planetoids, are small Solar System bodies in orbit around the Sun, especially in the inner Solar System; they are smaller than planets but larger than meteoroids. The term "asteroid" has historically been applied primarily to bodies in the inner Solar System since the outer Solar System was poorly known when it came into common usage. The distinction between asteroids and comets is made on visual appearance: Comets show a perceptible coma while asteroids do not.

For more information about Asteroid, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

Related topics: earth , solar system , comet , meteorite