Astronomers have now deduced what alien scientists might see when they gaze at the Milky Way from afar. The new results suggest our home galaxy is unusual but not unique, at least when it comes to chemistry.
Ever since U.S. astronomer Edwin Hubble discovered that our galaxy is just one among many galaxies about a century ago, researchers have wondered how special (or not) the Milky Way is in the universe, said study co-lead author Jianhui Lian, of the Max Planck Institute for Astronomy in Heidelberg, Germany.
