Purportedly, 80% of star systems are binary systems. They have two suns. Our own isn't—in any event no more. Astronomers have recommended that, quite a long time ago, we may have had a subsequent sun, which has been named Nemesis.
During the 1980s, a few astronomers began batting around the possibility that the sun had a tragically missing twin, orbiting undetected in the edges of the close planetary system. They proposed that the presence of a friend star to our own strength clari…
