The HAARP project in Alaska could prove to be a vital tool for planetary defense.
NASA and the High-frequency Active Auroral Research Program successfully shot long wavelength radio signals at an asteroid last week, December 27, in a bid to learn more about the near-Earth object.
, NASA turned to the project with its proposal due to the fact that the target asteroid was making a near approach to Earth.As asteroid 2010 XC15 came within two lunar distances of Earth, NASA and HAARP fired off a series of long-wavelength radio signals that bounced off the roughly 500-foot-diameter asteroid. By analyzing the data that bounced back, they hope they can glean vital information about near-Earth asteroids.
"This shows the value of HAARP as a potential future research tool for the study of near-Earth objects," he continued.NASA catalogs and analyzes asteroids via several instruments and methods, including the planetary radar of the Deep Space Network antennas based in the U.S., Spain, and Australia. However, radar imaging doesn't provide information about the interior of an asteroid.
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