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Names for New Pluto Moons Accepted
The International
Astronomical Union has
officially recognized the
names Kerberos and Styx for
the fourth and fifth moons
of Pluto respectively
(formerly known as P4 and
... > full story
Cassini Finds Hints of Activity at Saturn Moon Dione
From a distance, most of the
Saturnian moon Dione
resembles a bland cueball.
Thanks to close-up images of
a 500-mile-long
(800-kilometer-long)
... > full story
Planet Rings Could Be Behind the Formation of Solar System Satellites
Two researchers have
recently proposed the first
ever model explaining how
the great majority of
regular satellites in our
... > full story
Dwarf Planet Makemake Lacks Atmosphere: Distant Frigid World Reveals Its Secrets for First Time
Dwarf planet Makemake is
about two thirds of the size
of Pluto, and travels around
the Sun in a distant path
that lies beyond that of
... > full story
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Cosmic Dust Belts Without Dust
July 8, 2013 — Planets and asteroids, red giants and brown dwarfs – there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and ... > full story -
Comet Collisions Every Six Seconds Explain 17-Year-Old Stellar Mystery
November 8, 2012 — Every six seconds, for many millions of years, comets have been colliding near a star visible to the naked eye, astronomers ... > full story -
Pluto's Moons and Possible Rings May Be Hazards: New Horizons and the Gauntlet It May Encounter in 2015
October 16, 2012 — NASA's New Horizons spacecraft is now almost seven years into its 9.5-year journey across the solar system to explore Pluto and its system of moons. Just over two years from now, in January 2015, New ... > full story -
Pluto/Charon Poses for Sharpest Ground-Based Images Ever
September 26, 2012 — Despite being infamously demoted from its status as a major planet, Pluto (and its largest companion Charon) recently posed as a surrogate extrasolar planetary system to help astronomers produce ... > full story -
Hubble Discovers a Fifth Moon Orbiting Pluto
July 11, 2012 — A team of astronomers using NASA's Hubble Space Telescope is reporting the discovery of another moon orbiting the icy dwarf planet Pluto. The moon is estimated to be irregular in shape and 6 to 15 ... > full story -
Cassini Finds Saturn Moon Has Planet-Like Qualities
April 27, 2012 — Data from NASA's Cassini mission reveal Saturn's moon Phoebe has more planet-like qualities than previously thought. Scientists had their first close-up look at Phoebe when Cassini began exploring ... > full story -
New Evidence for Complex Molecules on Pluto's Surface
December 20, 2011 — Astronomers have discovered a strong ultraviolet-wavelength absorber on Pluto's surface, providing new evidence that points to the possibility of complex hydrocarbon and/or nitrile molecules lying on ... > full story -
Faraway Eris Is Pluto's Twin
October 26, 2011 — Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope at the ... > full story -
Stardust Discovered in Far-Off Planetary Systems
September 29, 2011 — Searching for extra-solar planets -- which are planets outside of our solar system -- is very popular these days. About 700 planets are known at the moment, a number that is continuously rising due ... > full story -
Astronomers Find Ice and Possibly Methane on Snow White, a Distant Dwarf Planet
August 22, 2011 — Astronomers have discovered that the dwarf planet 2007 OR10 -- nicknamed Snow White -- is an icy world, with about half its surface covered in water ice that once flowed from ancient, slush-spewing ... > full story
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