Asteroids Too Close to Home

Astronomers estimate that there are around 500,000 undiscovered objects that are near Earth. Each one is at least 30 meters across. One of those objects is the recently discovered asteroid 2012 DA14. This asteroid was recently discovered by citizen scientists on February 22, 2012 after it passed by our little planet. The asteroid measures 50 meters across and is on an orbit one day longer than Earth’s orbit. The asteroid’s orbit and Earth’s orbit crosses paths twice each year. Read More →