Tag: Asteroid 2004 BL86

  • Asteroid and its moon revealed in radar imagery

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    by

    starpathwp-production
    in

    Radar imagery of a mountain-size asteroid that approached Earth this week revealed the tiny world has its own moon. Scientists know many asteroids have their own natural satellites, and one of the reasons observers were anxious to glimpse asteroid 2004 BL86 as it passed near Earth was to see if the rock has a companion.…