A fireball crosses the skies over Canada and baffles scientists. He said, the ball was not just an ordinary meteor. As information, usually, fireballs come from asteroids or comets which are divided into several parts. Then, that part falls into the Earth because of Earth's attraction or gravity. Then, what is that fiery object that crosses the Canadian sky?
Based on its trajectory through space, the research team tracking the object found it made its way into the solar system from its starting point in the Oort Cloud. The Oort Cloud or Oort Cloud is a large ball of ice far beyond the orbit of Pluto.
It's not uncommon for material from the Oort cloud to be bounced off and sent towards the sun. But, oddly enough, this material burned and exploded like a rock, not an explosion of frozen chunks of ammonia, methane, and water. This discovery is also an indication that our understanding of the Oort Cloud is still not that deep.
"This discovery supports an entirely different model of Solar System formation, one that supports the idea that large amounts of rocky material coexisted with icy objects within the Oort Cloud," said physicist Denis Vida of the University of Western Ontario in Canada.
The material from the Oort Cloud that researchers have identified so far is extremely cold. They are sometimes known as long-period comets, on orbits around the Sun that take hundreds to tens of millions of years. They are thought to have been ejected from the Oort Cloud between 2,000 and 100,000 astronomical units from the Sun by gravitational influence, and thrown into a path.