3 in the sky now, more on the way | NYGazet

Three green comets are currently visible in Earth's sky. A fourth will become visible in December, followed by two others.

Three newly discovered green comets are currently visible from Earth with the help of binoculars or a telescope, and a fourth—an interstellar visitor—will become visible again soon. Their unusual green glow comes from the diatomic carbon (C₂), in eac... [3981 chars]