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NASA Discovers Tiny Moon Orbiting Asteroid BL86

NASA scientists discovered that an asteroid that passed near the Earth on January 26 has a small moon. Asteroid 2004 BL86 came within 1.2 million kilometres of the Earth. The 300m asteroid was visible in the night sky near Jupiter with strong binoculars or a telescope.

This video features twenty images of the asteroid taken by the NASA’s Deep Space Network antenna at Goldstone, California. Credit: YouTube/NASA Jet Propulsion Laboratory