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A Warm South Pole? Yes, On Neptune!
September 18, 2007 — 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 late southern summer ... > full story -
Astronomers Find Highly Elliptical Disk Around Young Star
July 21, 2007 — Dust and debris parade in an extremely misshapen ring around the young star, HD 15115. The disk, seen edge-on with NASA's Hubble Space Telescope, is the dense blue line extending from the star to the ... > full story -
Diamonds Unlikely In Gas Giants Like Uranus
July 16, 2007 — A new study finds that diamonds probably don't crystallize in the atmospheres of planets such as Uranus and Neptune. The conclusion is contrary to recent speculation that small diamonds would ... > full story -
Computer Models Suggest Planetary And Extrasolar Planet Atmospheres
June 19, 2007 — The world is abuzz with the discovery of an extrasolar, Earthlike planet around the star Gliese 581 that is relatively close to our Earth at 20 light years away in the constellation Libra. Scientists ... > full story -
Hidden Planet Pushes Star's Ring A Billion Miles Off-Center
June 13, 2007 — A young star's strange elliptical ring of dust likely heralds the presence of an undiscovered Neptune-sized planet according to astronomers. Stars in the early stages of life are surrounded by dust ... > full story -
Astronomers Detect Shadow Of Water World In Front Of Nearby Star
May 16, 2007 — A team of European astronomers has measured the transit of a Neptune-sized planet around another star. For the first time, the size and density of such a small extra-solar planet has been measured, ... > full story -
Comet Particles Tell New Story About Birth Of Solar System
December 15, 2006 — Particulate materials captured from the comet Wild two have revealed clues about the birth of our solar system that counter some of the basic theories that the solar nebular is gently collapsing ... > full story -
Hubble Discovers Dark Cloud In The Atmosphere Of Uranus
October 1, 2006 — Just as we near the end of the hurricane season in the Atlantic Ocean, winds whirl and clouds churn 2 billion miles away in the atmosphere of Uranus, forming a dark vortex large enough to engulf ... > full story -
Three New 'Trojan' Asteroids Found Sharing Neptune's Orbit
June 15, 2006 — Three new objects locked into roughly the same orbit as Neptune--called "Trojan" asteroids--have been found by researchers from the Carnegie Institution's Department of Terrestrial Magnetism (DTM) ... > full story -
Three Neptune-Size Planets Found In Nearby Star System
May 18, 2006 — Using the ultra-precise HARPS spectrograph on ESO's 3.6-m telescope at La Silla (Chile), a team of European astronomers have discovered that a nearby star is host to three Neptune-mass planets. The ... > full story
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