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Weather on the Outer Planets Only Goes So Deep
What is the long-range
weather forecast for the
giant planets Uranus and
Neptune? These planets are
home to extreme winds
blowing at speeds of over
... > full story
At Least One in Six Stars Has an Earth-Sized Planet, Analysis Finds
The quest for a twin Earth
is heating up. Using NASA's
Kepler spacecraft,
astronomers are beginning to
find Earth-sized planets
... > full story
Do Missing Jupiters Mean Massive Comet Belts?
Astronomers have discovered
vast comet belts surrounding
two nearby planetary systems
known to host only
Earth-to-Neptune-mass
worlds. The comet reservoirs
... > full story
Voyager at 35: Break on Through to the Other Side
Thirty-five years ago Aug.
20, NASA's Voyager 2
spacecraft, the first
Voyager spacecraft to
launch, departed on a
journey that would make it
... > full story
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Unseen Planet Revealed by Its Gravity
May 10, 2012 — More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. ... > full story -
NASA's Spitzer Sees the Light of Alien 'Super-Earth'
May 8, 2012 — NASA's Spitzer Space Telescope has detected light emanating from a "super-Earth" planet beyond our solar system for the first time. While the planet is not habitable, the detection is a historic step ... > full story -
Looking for Earths by Looking for Jupiters
May 7, 2012 — In the search for Earth-like planets, it is helpful to look for clues and patterns that can help scientist narrow down the types of systems where potentially habitable planets are likely to be ... > full storyMore: -
As Voyager 1 Nears Edge of Solar System, Scientists Look Back
December 13, 2011 — In 1977, Jimmy Carter was sworn in as president, Elvis died, Virginia park ranger Roy Sullivan was hit by lightning a record seventh time and two NASA space probes destined to turn planetary science ... > full story -
Giant Planet Ejected from the Solar System?
November 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to a new ... > full story -
Series of Bumps Sent Uranus Into Its Sideways Spin, New Research Suggests
October 6, 2011 — Uranus' highly tilted axis makes it something of an oddball in our solar system. The accepted wisdom is that Uranus was knocked on its side by a single large impact, but new research rewrites our ... > full story -
'Invisible' World Discovered: Planet Alternately Runs Late and Early in Its Orbit, Tugged by Second Hidden World
September 8, 2011 — Usually, running five minutes late is a bad thing since you might lose your dinner reservation or miss out on tickets to the latest show. But when a planet runs five minutes late, astronomers get ... > full story -
New Planets Feature Young Star and Twin Neptunes
July 14, 2011 — Scientists have discovered 10 new planets. Amongst them is one orbiting a star perhaps only a few tens of million years old, twin Neptune-sized planets, and a rare Saturn-like ... > full story -
Hubble's Neptune Anniversary Pictures
July 12, 2011 — Today, Neptune has arrived at the same location in space where it was discovered nearly 165 years ago. To commemorate the event, NASA's Hubble Space Telescope has taken these "anniversary pictures" ... > full story -
Clocking Neptune's Spin by Tracking Atmospheric Features
June 30, 2011 — By tracking atmospheric features on Neptune, a planetary scientist has accurately determined the planet's rotation, a feat that had not been previously achieved for any of the gas planets in our ... > full story
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