News tagged with asteroid
Related topics: earth , nasa , solar system , orbit , meteorite
Two asteroids passed close to Earth Wednesday
Earth got a double dose of close asteroid flybys on Wednesday, April 6, 2011. Two newly discovered small asteroids both passed within the distance of the Moon.
Space & Earth / Space Exploration
Apr 07, 2011 |
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New horseshoe orbit Earth-companion asteroid discovered
(PhysOrg.com) -- Apostolos Christou and David Asher from the Armagh Observatory in Northern Ireland announced the discovery of an asteroid near Earth called Asteroid 2010 SO16 and their findings were published ...
Space & Earth / Space Exploration
Apr 06, 2011 |
4.7 / 5 (27) |
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Sugar-grain sized meteorites rocked the climates of early Earth and Mars
Bombardments of 'micro-meteorites' on Earth and Mars four billion years ago may have caused the planets' climates to cool dramatically, hampering their ability to support life, according to research published today in the ...
Space & Earth / Space Exploration
Apr 02, 2011 |
3.5 / 5 (4) |
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NASA probe aims to unlock Mercury's secrets (Update)
NASA scientists pored Wednesday over stunning new images of Mercury as their MESSENGER probe began a year-long mission to map the surface of the solar system's least-understood planet.
Space & Earth / Space Exploration
Mar 30, 2011 |
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When is an asteroid not an asteroid?
(PhysOrg.com) -- On March 29, 1807, German astronomer Heinrich Wilhelm Olbers spotted Vesta as a pinprick of light in the sky. Two hundred and four years later, as NASA's Dawn spacecraft prepares to begin ...
Space & Earth / Space Exploration
Mar 30, 2011 |
4.8 / 5 (10) |
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Equipment to study Hayabusa's asteroid samples damaged in Japan earthquake
The large particle accelerator being used in to analyze the asteroid samples returned by the Hayabusa spacecraft was damaged by the March 11 earthquake in Japan, but the high energy accelerator at the KEK ...
Space & Earth / Space Exploration
Mar 23, 2011 |
5 / 5 (1) |
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Dawn gets Vesta target practice (w/ Video)
There is an old chestnut about a pedestrian who once asked a virtuoso violinist near Carnegie Hall how to get to the famed concert venue. The virtuoso's answer: practice!
Space & Earth / Space Exploration
Mar 11, 2011 |
4.5 / 5 (2) |
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Astronomers continue to monitor asteroid Apophis
Asteroid Apophis continues to be an object of interest for astronomers. Even though the possibility of an Earth impact by the now-famous asteroid has been ruled out during its upcoming close encounter on April ...
Space & Earth / Space Exploration
Mar 11, 2011 |
4.8 / 5 (4) |
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Oxygen isotope analysis tells of the wandering life of a dust grain 4.5 billion years ago
Scientists have performed a micro-probe analysis of the core and outer layers of a pea-sized piece of a meteorite some 4.57 billion years old to reconstruct the history of its formation, providing the first ...
Mar 03, 2011 |
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19 asteroids caught in one night
The Pan-STARRS PS1 telescope on Haleakala, Maui, discovered 19 near-Earth asteroids on the night of January 29, the most asteroids discovered by one telescope on a single night. Cataloging near-Earth asteroids ...
Feb 28, 2011 |
4.8 / 5 (5) |
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How Kleopatra got its moons
The asteroid Kleopatra, like its namesake, the last pharaoh and queen of Egypt, gave birth to twins – two moons probably spawned by the asteroid sometime in the past 100 million years.
Space & Earth / Space Exploration
Feb 23, 2011 |
4 / 5 (4) |
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Can WISE find the hypothetical 'Tyche'?
(PhysOrg.com) -- In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than ...
Feb 22, 2011 |
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Mars Express puts craters on a pedestal
(PhysOrg.com) -- ESA's Mars Express has returned new views of pedestal craters in the Red Planet's eastern Arabia Terra.
Space & Earth / Space Exploration
Feb 04, 2011 |
4.3 / 5 (3) |
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Shining light on asteroid deflection
(PhysOrg.com) -- So you think global warming is a big problem? What could happen if a 25-million-ton chunk of rock slammed into Earth? When something similar happened 65 million years ago, the dinosaurs and ...
Space & Earth / Space Exploration
Feb 02, 2011 |
4.6 / 5 (8) |
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NASA's NEOWISE completes scan for asteroids and comets
(PhysOrg.com) -- NASA's NEOWISE mission has completed its survey of small bodies, asteroids and comets, in our solar system. The mission's discoveries of previously unknown objects include 20 comets, more ...
Space & Earth / Space Exploration
Feb 01, 2011 |
5 / 5 (6) |
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