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Asteroid 2012 DA14 is a little guy, compared to some asteroids, although its size has not been pinned down precisely. It is thought to be about 45 meters across (nearly 150 feet across), with an estimated mass of about 130,000 metric tons....If a space object 150 feet wide were to strike our planet, it wouldn’t be Earth-destroying.Evidently, not much is known about the asteroid. Would it be worth intercepting and mining it? At 130,000 tons, it would be a huge haul. The Apollo command module and lunar module together weighed in was about 100k pounds, or about 50 tons. So, you can see how much bigger it is than a spacecraft that took the biggest rocket that the USA has ever launched in order to get it into space. Think of what could be done with all that mass.
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