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Pluto-Charon Origin May Mirror That Of Earth And Its Moon
February 14, 2005 The evolution of Kuiper Belt objects, Pluto and its lone moon Charon may have something in common with Earth and our single Moon: a giant impact in the distant ... > full story -
Scientists Announce Smallest Extra-Solar Planet Yet Discovered And Find Outer Limits Of The Pulsar Planetary System
February 11, 2005 Penn State's Alex Wolszczan, the discoverer in 1992 of the first planets ever found outside our solar system, now has discovered with Caltech's Maciej Konacki the smallest planet yet ... > full story -
Did Our Sun Capture Alien Worlds? Close Encounter May Explain Some Objects Beyond Neptune
December 8, 2004 Computer simulations show a close encounter with a passing star about 4 billion years ago may have given our solar system its abrupt edge and put small, alien worlds into distant orbits around our ... > full story -
Good News For Pluto: KBOs May Be Smaller Than Thought
November 16, 2004 Pluto's status as our solar system's ninth planet may be safe if a recently discovered Kuiper Belt Object is a typical "KBO" and not just an oddball. Astronomers have new evidence ... > full story -
Sedna Mystery Deepens With Hubble Images Of Farthest Planetoid
April 15, 2004 Astronomers studying 35 NASA Hubble Space Telescope (HST) images of the solar system's farthest known object, unofficially named Sedna, are surprised the object does not appear to have a ... > full story -
Most Distant Object In Solar System Discovered
March 16, 2004 NASA-funded researchers have discovered the most distant object orbiting Earth's Sun. The object is a mysterious planet-like body three times farther from Earth than ... > full story -
First Extrasolar Planets, Now Extrasolar Moons
October 10, 2003 The European Space Agency is now planning a mission that can detect moons around planets outside our Solar System, those orbiting other ... > full story -
Solar System 'Fossils' Discovered By Hubble Telescope
September 8, 2003 Astronomers using NASA's Hubble Space Telescope have discovered three of the faintest and smallest objects ever detected beyond Neptune. Each lump of ice and rock is roughly the size of ... > full story -
World's Largest Astronomical CCD Camera Installed On Palomar Observatory Telescope
July 30, 2003 The world's largest astronomical camera has been installed on Palomar Observatory's 48-inch Oschin Telescope in California. This telescope has been working to improve our understanding of the ... > full story -
Pluto-Kuiper Belt Mission Moves Ahead; NASA Approves Full-Scale Development for APL-Managed New Horizons
April 10, 2003 The solar system's farthest known planetary outpost is closer to getting its first visitor. This week NASA gave The Johns Hopkins University Applied Physics Laboratory, Southwest Research ... > full story
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