Asteroid 2015 BN509 Is One of the Potentially Hazardous Asteroids that Could Hit Earth One Day, Says NASA

The asteroid, known as 2015 BN509, after the date of its discovery, is on a NASA list of potentially hazardous asteroids that could one day threaten the planet. It flew past Earth in January at nearly 44,000mph. The 2015 BN509 asteroid is at least 200 metres wide and 400 metres long. At that size, a direct hit could destroy a … Continue reading →