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Sunday, July 13, 2008

Asteroid passes by Earth Monday

Space Weather News for July 13, 2008
http://spaceweather.com

ASTEROID 2008 BT18: Large asteroid 2008 BT18 is gliding past
Earth this weekend and astronomers have just discovered that it
is a binary system. Radar images of the close-approaching space
rock reveal two components, a 600 meter primary and a 200+
meter secondary. Experienced amateur astronomers in the southern
hemisphere may be able to photograph the double-rock using
backyard telescopes and CCD cameras on July 14th when 2008
BT18 makes its closest approach to Earth (2 million km). The
asteroid will flit through Canis Major, heading south, glowing
like a 13th magnitude star. Visit http://spaceweather.com for
radar images and ephemerides.


Terri, Events Coordinator
Email: Events@PASAz.org
Phoenix Astronomical Society