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New observations of first-known interstellar asteroid reveals spaceship-like rock

New observations of first-known interstellar asteroid reveals spaceship-like rock

Science
Nov. 20 (UPI) -- According to new observations of A/2017 U1, the first-known interstellar asteroid, the space rock is highly elongated, dark, reddish and rich in metals.The asteroid, dubbed 'Oumuamua, was first spotted on Oct. 19 using the University of Hawaii's Pan-STARRS 1 telescope. The initial observations of the object -- first classified as a comet and later reclassified as an asteroid -- suggested its origins lied outside the solar system.By the time scientists spotted the asteroid, it was already moving away from their telescopes."We had to act quickly," Olivier Hainaut, an astronomer at the European Southern Observatory in Garching, Germany, said in a news release. "'Oumuamua had already passed its closest point to the sun and was heading back into interstellar space."[embedded co...