News tagged with asteroid fragments

Half-baked asteroids have Earth-like crust

Asteroids are hunks of rock that orbit in the outer reaches of space, and scientists have generally assumed that their small size limited the types of rock that could form in their crusts. But two newly discovered ...

Space & Earth / Earth Sciences

created Jan 07, 2009 | popularity 4.7 / 5 (3) | comments 2




Search results for asteroid fragments


Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event

(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 4.5 / 5 (24) | comments 20 | with audio podcast report

Study of moon rocks shows barrage 4 billion years ago was mainly asteroids

(Phys.org) -- Researchers have known for some years that the Earth and moon were subjected to a veritable barrage of objects striking their surfaces nearly four million years ago, but less certain was whether ...

Space & Earth / Space Exploration

created May 18, 2012 | popularity 3.2 / 5 (6) | comments 6 | with audio podcast report

NASA survey counts potentially hazardous asteroids

(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Asteroid collision that spawned Vesta's asteroid family occurred more recently than thought

A team of researchers led by a NASA Lunar Science Institute (NLSI) member based at Southwest Research Institute has discovered evidence that the giant impact crater Rheasilvia on Asteroid (4) Vesta was created ...

Space & Earth / Space Exploration

created May 10, 2012 | popularity 4.8 / 5 (4) | comments 6 | with audio podcast

Four white dwarf stars caught in the act of consuming 'earth-like' exoplanets

University of Warwick astrophysicists have pinpointed four white dwarf stars surrounded by dust from shattered planetary bodies which once bore striking similarities to the composition of the Earth. The scientists ...

Space & Earth / Astronomy

created May 03, 2012 | popularity 5 / 5 (12) | comments 1 | with audio podcast

Martian meteorite touches down at the University of Glasgow

(Phys.org) -- After hundreds of thousands of years drifting in space, a piece of the rocky surface of Mars has made its way into the hands of scientists at the University of Glasgow.

Space & Earth / Space Exploration

created Apr 24, 2012 | popularity 5 / 5 (2) | comments 0

Study supports theory of extraterrestrial impact

A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the ...

Space & Earth / Earth Sciences

created Mar 05, 2012 | popularity 4.7 / 5 (23) | comments 38 | with audio podcast

Samples returned from asteroid Itokawa reveal history of violent impacts

(PhysOrg.com) -- In June of 2010, Japanese researchers launched a probe called Hayabusa into space on a mission to study the asteroid Itokawa (25143). It managed to collect dust specimens from the asteroid’s ...

Space & Earth / Space Exploration

created Feb 28, 2012 | popularity 4.3 / 5 (7) | comments 8 | with audio podcast report

The fireballs of February

In the middle of the night on February 13th, something disturbed the animal population of rural Portal, Georgia. Cows started mooing anxiously and local dogs howled at the sky. The cause of the commotion was ...

Space & Earth / Space Exploration

created Feb 23, 2012 | popularity 4.7 / 5 (7) | comments 11 | with audio podcast

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 (8) | comments 14 | with audio podcast


List of search results for asteroid fragments