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...Oumuamua took the world by storm in October 2017 when it was identified as the first known visitor from another star system. A pair of Harvard scientists suggested the long and thin object was a spacecraft, sparking a frantic flurry of scans by astronomers as it flew by.... ...Perhaps strangest of all was that the object appeared to accelerate on its journey, suggesting it was powered by something.... The new study lines up with research published last year....

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 June 9 A Chamaeleon Sky Credit: FORS Team, 8.2-meter VLT Antu, ESO Explanation: A photogenic group of nebulae can be found toward Chamaeleon, a constellation visible predominantly in skies south of the Earth's equator. Celestial objects visible there include the blue reflection nebulas highlighted by thin dust surrounding the bright stars in the above image center. Toward the top and lower right, dark molecular clouds laced with...