An enormous comet — approximately 80 miles across, more than twice the width of Rhode Island — is heading our way at 22,000 miles per hour from the edge of the solar system. Fortunately, it will never get closer than 1 billion miles from the sun, and poses no danger to us.
Click here for original story, 4 billion-year-old relic from early solar system heading our way
Source: ScienceDaily