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Nibiru Or Trojan Asteroid Caught In Orbit With Earth? 2012 HD
An asteroid is caught in a synchronized orbit with the Earth, dancing back and forth relative to our planet as both circle the sun, a team of Canadian scientists has discovered. The object, which for now is dubbed 2010 TK7, is a "Trojan" asteroid, meaning that it is held in a delicate balance between a gravitational tug from the sun and an equal tug from the Earth. It #39;s long been known that Jupiter, Neptune and Mars have Trojans orbiting alongside them, but this is the first time one has been found alongside our planet. "An image of dancers is helpful," said Paul Wiegert, a professor of physics and astronomy at the University of Western Ontario and an author of the study, published online Wednesday in the journal, Nature. "The Earth goes around the sun in a circle, and the asteroid dances in front of it, getting closer and farther away as it orbits." TK7 is about 90 degrees from the Earth right now, and its distance from Earth ranges from 49.7 million miles to 12.4 million miles. The composition and surface characteristics of TK7 are unclear, though it is believed to be several hundred feet in diameter -- "on the largish side" for a near-Earth asteroid, Wiegert said. Because it typically remains on the sunward side of the Earth, venturing only occasionally into the night sky, it has been difficult to detect until now. Trojan asteroids commonly dwell on the daylight sides of their planet. And its existence indicates that there are probably others, even less accessible by ...From:UniverseExplorersTVViews:29 3ratingsTime:04:31More inScience Technology

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Nibiru Or Trojan Asteroid Caught In Orbit With Earth? 2012 HD - Video