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Asteroid Terrestrial-impact Last Alert System : ウィキペディア英語版 | Asteroid Terrestrial-impact Last Alert System The Asteroid Terrestrial-impact Last Alert System (ATLAS) is a proof of concept astronomical survey system for early detection of dangerous asteroids—for ones within a few weeks of impacting Earth. The project is being developed at the University of Hawaii with US$5 million funding from NASA. When deployed in 2015, the automated system will provide a one-week warning for a diameter asteroid, and a three-week warning for a one, provided that their radiant is not too close to the Sun.〔 By comparison, the February 2013 Chelyabinsk meteor impact was from an object estimated at and its radiant's closeness to the Sun put it in the blind zone of an ATLAS-like system. The system is scheduled to become fully operational at the end of 2015, or at the beginning of 2016. If ATLAS proves to be a cost-effective asteroid detection system, it may be expanded geographically to several other locations in both hemispheres to provide continuous coverage.〔(Atlas: How it works ). ''Asteroid Terrestrial-impact Last Alert System''.〕 Additionally, ATLAS will look for dwarf planets and supernovae.〔 ==Naming== The ''Last Alert'' part of the system name refers to the fact that smaller asteroids would not be found in time for potential deflection, but that days or weeks of warning would be provided in order to evacuate a target area. According to ATLAS project lead John Tonry, "that's enough time to evacuate the area of people, take measures to protect buildings and other infrastructure, and be alert to a tsunami danger generated by ocean impacts".
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Asteroid Terrestrial-impact Last Alert System」の詳細全文を読む
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