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Space boulder poses ‘no risk to those on the ground,’ astronomers say An orbital diagram shows the path taken by the asteroid 2008 TC3, in dark blue and light blue, as it headed toward an encounter with Earth. A very small asteroid will streak into the skies over Sudan tonight, astronomers announced. It is expected to burn up in the atmosphere, creating a show. It will not strike Earth. It is the first time an asteroid "impact" has been predicted with near certainty, astronomers said. The space rock is thought to be 3 to 15 feet (1 to 5 meters) in diameter and poses "no risk to those on the ground," said David Morrison of NASA's Ames Research Center. A similar-sized object during the day would likely go unnoticed, he said. The fiery entry will appear like a very bright shooting star known as a fireball, or what astronomers... [read full story]
