News tagged with asteroid

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Rocks around the clock: asteroids pound tiny star

(Phys.org) —Scientists using CSIRO's Parkes telescope and another telescope in South Africa have found evidence that a tiny star called PSR J0738-4042 is being pounded by asteroids—large lumps of rock ...

Feb 19, 2014
4.7 / 5 (14) 0

Asteroid Vesta's mysterious olivine

(Phys.org) —Just when scientists thought they had a tidy theory for how the giant asteroid Vesta formed, a new paper from NASA's Dawn mission suggests the history is more complicated.

Nov 07, 2013
4.9 / 5 (13) 21 | with audio podcast

Researchers look at Oort cloud asteroids

Sky & Telescope reports on "A fresh look at a nagging problem—asteroids moving in comet-like orbits" where the research "concludes that asteroids must make up about 4 percent of the vast, distant Oort C ...

Dec 09, 2014 weblog
4.5 / 5 (14) 0

Collision course? A comet heads for Mars

Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars. Today there are three active satellites circling the red planet while two rovers, Opportunity and Curiosity, ...

Mar 28, 2013
4.6 / 5 (13) 16 | with audio podcast