Jan 25 2011
Voyager 2 Met Uranus 25 Years Ago
On Jan. 24, 1986, the NASA mission took close-up photos of the enigmatic 'ice giant.'
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Sep 28 2010
Could ET Spot Our Solar System?
Would an extraterrestrial with a planet-hunting telescope know our star has planets? Yes, conclude astronomers.
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Aug 30 2010
Alien Planetary Systems Are Both Familiar and Surprising
We are at the point where astronomers can study the architecture of entire planetary systems.
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Aug 18 2010
When Will Neptune Complete Its First Orbit Since Discovery?
As we approach the 164th anniversary of Neptune's discovery, there's another reason why we should celebrate this astronomical event: the gas giant is about to complete its first orbit since it was first spotted.
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Jul 20 2010
Neptune’s Cold Case: Shot by a Comet 200 Years Ago?
After some clever detective work, astronomers think Neptune was hit by a large comet... two centuries ago.
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Mar 26 2010
Splitting Cyclone Spotted on Neptune
If the violent conditions observed so far are any indication, this weekend's weather forecast for Neptune can't be good.
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Mar 25 2010
The Planet That Ate My Super-Earth!
Neptune and Uranus may possibly be hiding 4-billion year old clues to interplanetary homicide.
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