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| NASA Begins Space-Hunt To Find Elus |
| NASA Begins Space-Hunt To Find Elusive Earth Trojan Asteroid
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| UNITED STATES OF AMERICA
, 10-February-2017
7:2:18 AM |
| A NASA spacecraft has started searching for an enigmatic class of near-Earth objects known as Earth-Trojan asteroids, which may be lurking in the solar system in places difficult to observe from our planet. OSIRIS-REx, currently on a two-year outbound journey to the asteroid Bennu, will spend almost two weeks searching for evidence of these small bodies, NASA said. Trojan asteroids are trapped in stable gravity wells, called Lagrange points, which precede or follow a planet.
OSIRIS-REx is currently travelling through Earth's fourth Lagrange point, which is located 60 degrees ahead in Earth's orbit around the Sun, about 150 million kilometres from our planet.
The mission team will use this opportunity to take multiple images of the area with the spacecraft's MapCam camera in the hope of identifying Earth-Trojan asteroids in the region.
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