Tennessee News
New force can propel asteroids onto earth's path
London, June 4 (IANS) You might not be safe from asteroid hits even if state-of-the-art NASA tracking systems are in place, because the 'Yarkovsky effect' can force these objects out of their orbits and into ours, says a study.
A prime example is an asteroid 1999 RQ36, nearly half a kilometre across, expected to zoom past the Earth in 2135, which has already drifted nearly 100 miles out of its
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