Our First Interstellar Visitor Likely Came From Two-star System

Our first known interstellar visitor likely came from a two-star system.   That's the latest from astronomers who were amazed by the mysterious cigar-shaped object, detected as it passed through our inner solar system last fall.   The University of Toronto's Alan Jackson reported Monday that the asteroid — the first confirmed object in our solar system originating elsewhere — is probably from a binary star system. That's where two stars orbit a common center....

© La Voix de l'Amérique - lundi 19 mars 2018