Galaxies in Collision –GAIA Spacecraft Data Reveals Birth of Our Solar System

  ESA scientists observe that it cannot be proven whether the particular cloud of dust and gas that gave birth to our Sun collapsed as a result of the collision with the Sagittarius dwarf galaxy, discovered in the 1990s to be orbiting our galactic home. It seems possible, they conjecture, that without the dwarf galaxy … Continue reading Galaxies in Collision –GAIA Spacecraft Data Reveals Birth of Our Solar System