The astronomy community has been buzzing this week with discussions of a new object that has been seen in the solar system. Its formal name is A2017UI (with the proposed common name Oumuamua, which is Hawaiian for "messenger from the distant past" ), and it is assumed to be an asteroid - but one such as we have never seen before.
First off, it has entered the solar system from deep space, making it the first such asteroid in recent history to do so. Being extra-solar already makes it a valua...
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