Our Earth was visited by a rare space traveler that came from edge of Solar System. The fireball had mysteries that would likely revolutionize our knowledge of our Solar System's formation.
A spherical layer of things frozen in time exists at the frontier of the solar system, and some of these items are occasionally propelled toward the Sun, reports India Today. This is known as the Oort cloud, and as the object moves toward the Sun, it begins to burn up in the extreme heat of the Sun, l...
