mercoledì 28 gennaio 2015

Radar Observations of 2004 BL86 Detected a Moon Orbiting the Asteroid

Asteroid 2004 BL86 passed Earth on Jan. 26, 2015 at 16:19 UTC (11:19am EST). This "movie" of the asteroid was generated from radar data collected on that date by NASA's Deep Space Network antenna at Goldstone, California. Twenty individual images were used. Radar observations allow scientists to better measure an asteroid's size, rotation and location. As a bonus, radar observations of 2004 BL86 detected a tiny moon orbiting the asteroid.

Asteroid 2004 BL86 Has Passed Earth and it has a Small Moon!
Read more here: http://lunarmeteoritehunters.blogspot...

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