News tagged with asteroid

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How to target an asteroid

(Phys.org) —Like many of his colleagues at NASA's Jet Propulsion Laboratory, Pasadena, Calif., Shyam Bhaskaran is working a lot with asteroids these days. And also like many of his colleagues, the deep ...

dateApr 17, 2013 in Space Exploration
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Asteroid threat has Congress' attention

As if you don't have enough to worry about, consider the subject of a hearing last week on Capitol Hill: asteroids that may be headed toward Earth. The good news: NASA is tracking most of the largest asteroids ...

dateApr 15, 2013 in Space Exploration
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Retired star found with planets and debris disc

(Phys.org) —ESA's Herschel space observatory has provided the first images of a dust belt – produced by colliding comets or asteroids – orbiting a subgiant star known to host a planetary system. The ...

dateApr 09, 2013 in Astronomy
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Researchers say a comet killed the dinosaurs

In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear to have ...

dateApr 04, 2013 in Earth Sciences
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How big are galaxies?

I'm going to refrain from the initial response that comes to mind… actually, no I won't—they're really, really, really big!!!!

dateApr 03, 2013 in Astronomy
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