Pristine material that matches comets in our own Solar System have been found in a dust belt around the young star Beta Pictoris by ESA’s Herschel space observatory.
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Science News
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Scoop.it!
We tend to think of interstellar journeys as leaps into the void, leaving the security of one solar system to travel non-stop to another. But a number of alternatives exist, a fact that becomes clear when we ponder that our own cloud of comets — the Oort Cloud — is thought to extend a light year out and perhaps a good deal further. There may be ways, in other words, to take advantage of resources like comets and other icy objects for a good part of an interstellar trip. That scenario is not as dramatic as a starship journey, but it opens up possibilities. 
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Scoop.it!
How do you get a core sample from a comet? There’s so little gravity that if you used a scoop or a drill, you’d push yourself right off the surface. To solve this problem, we came up with a harpoon that collects samples
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