Quote:
Originally Posted by Killer
[B]'
Asteroids are tracked by telescope, as they are too far away to be detected by radar. Because of this, they are observable only when illuminated by the sun against a dark background. If they are small and dark-colored, they are far more difficult to observe.
In the case of the Russian asteroid, it approached Earth with the sun behind it.
http://www.latimes.com/news/science/...,5424522.story.
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Cover-up continues - seems pretty obvious the cloaking device worked until the spaceship hit the atmosphere