Comet of the Century? Comet ISON Faces Risky Road About 10,000 years ago, Comet ISON left our solar system's distant shell, a region known as the Oort cloud, and began streaking toward the sun. This November, the icy wanderer will reach the climax of its journey, potentially providing a stunning skywatching show here on Earth.
July 17, 2013 - SPACE.com via Yahoo! News
Brett Gladman in PhysOrg.com Certain types of comets are not naturally produced after planet formation, especially those with highly tilted orbits,says Prof. Gladman. "This discovery may finally show how they transition from the Oort Cloud to become objects like...