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Space & Astronomy

Gravity holes - planetary assassins ?

February 24, 2009 | Comment icon 3 comments



Image Credit: NASA
NASA's new 'STEREO' probes will search for objects that are trapped in Langrangian points, can this new research pinpoint so-called "gravity holes" in space ?
They are the places gravity forgot. Vast regions of space, millions of kilometres across, in which celestial forces conspire to cancel out gravity and so trap anything that falls into them. They sit in the Earth's orbit, one marching ahead of our planet, the other trailing along behind. Astronomers call them Lagrangian points, or L4 and L5 for short. The best way to think of them, though, is as celestial flypaper."


Source: New Scientist | Comments (3)


Recent comments on this story
Comment icon #1 Posted by clubfoot 14 years ago
Perhaps the Lagrangian Points could be considered as planetary defenders rather than assassins, acting something like 'cosmic' sweepers? After all, they are positioned directly in front of and behind us.
Comment icon #2 Posted by the rebirth 14 years ago
misleading title: "Do gravity holes harbour planetary assassins?" "Scientists probe intrigueing gravitational voids" something like that mightve been better
Comment icon #3 Posted by BaneSilvermoon 14 years ago
misleading title: "Do gravity holes harbour planetary assassins?" "Scientists probe intrigueing gravitational voids" something like that mightve been better But it would have gotten less clicks :-p


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