| 摘要 |
PURPOSE: An unmanned spaceship for removing asteroids is provided to eliminate asteroids which might approach to the earth on the space by mounting a laser therein. CONSTITUTION: An unmanned spaceship for removing asteroids comprises a laser. The laser beam weapon fires lights to a target with energy temperature which is 1 million °F so that an object is vaporized and evaporated. The laser have an effect on the distance of 500~2000 thousand mile.
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