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Dwarf Galaxies Need Dark Matter Too, Astronomers Say
Stars in dwarf spheroidal
galaxies behave in a way
that suggests the galaxies
are utterly dominated by
dark matter, astronomers
have found. Astronomers
... > full story
A Warm South Pole? Yes, On Neptune!
Astronomers using ESO's Very
Large Telescope has
discovered that the south
pole of Neptune is much
hotter than the rest of the
planet. This is consistent
with the fact that it is
... > full story
Three New 'Trojan' Asteroids Found Sharing Neptune's Orbit
Three new objects locked
into roughly the same orbit
as Neptune--called "Trojan"
asteroids--have been found
by researchers from the
... > full story
New Capture Scenario Explains Origin Of Neptune's Oddball Moon Triton
Triton, unique among all the
large moons in the solar
system because it orbits
Neptune in a direction
opposite to the planet's
... > full story
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Hubble Makes Movie Of Neptune's Dynamic Atmosphere
September 2, 2005 — New NASA Hubble Space Telescope images of the distant planet Neptune show a dynamic atmosphere and capture the fleeting orbits of its satellites. The images have been assembled into a time-lapse ... > full story -
Nuclear-powered Mission To Neptune Could Answer Questions About Planetary Formation
December 20, 2004 — In 30 years, a nuclear-powered space exploration mission to Neptune and its moons may begin to reveal some of our solar system's most elusive secrets about the formation of its planets -- and ... > full story -
Brighter Neptune Suggests A Planetary Change Of Seasons
May 16, 2003 — Springtime is blooming on Neptune! This might sound like an oxymoron because Neptune is the farthest and coldest of the major planets. But NASA Hubble Space Telescope observations are revealing an ... > full story -
25 Years Later, Voyager Mission Keeps Pushing The Space Envelope
August 19, 2002 — A quarter-century after NASA's twin Voyager spacecraft departed Earth to visit outer planets, the historic mission is flying a race against ... > full story -
Recipe For Neptune Revealed By Scientists
October 27, 2000 — What do you get if you mix together one part helium and five-and-a-half parts hydrogen, add a dash of methane, heat to 60 Kelvins (-351 degrees F) and let sit for over four billion years? If you made ... > full story -
Hubble Space Telescope Helps Find Evidence That Neptune’s Largest Moon Is Warming Up
June 25, 1998 — Observations obtained by NASA’s Hubble Space Telescope and ground-based instruments reveal that Neptune's largest moon, Triton, seems to have heated up significantly since the Voyager ... > full story
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