Haunted Again: Skull-Faced 'Halloween Asteroid' Returns again in 2018

in #space3 years ago

hi friends!
Astronomers soon be get another look at the big, ghoulishly weird space rock that buzzed Earth on Halloween three years ago.

The roughly 2,100-foot-wide (640 meters) Halloween asteroid 2015 TB145 gave Earth close shave on Oct. 31, 2015, coming within a just 300,000 miles (480,000 kilometers) of our planet. (For perspective, the moon orbits at an average distance of about 239,000 miles, or 384,600 km.)
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A Halloween flyby is a quite appropriate, it turned out: Observations made at the time by a variety of instruments revealed that 2015 TB145 look like an enormous skull, at least from some angles. [These Scary Things In Space Will Haunt Your Dreams (Photos)]

Astronomers also determined that asteroid likely completes one rotation every 2.94 hours and that reflects just 5 or 6 percent of the sunlight that hits.

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