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+ - Missile test creates huge expanding halo of light over Hawaii

Submitted by The Bad Astronomer
The Bad Astronomer (563217) writes "A Minuteman III missile launch from California early Wednesday morning created a weird, expanding halo of light seen from the CFHT observatory on Hawaii's Mauna Kea. The third stage of the missile has ports that open and dump fuel into the near-vacuum. This cloud expands rapidly as a spherical shell, shock-exciting the air molecules and causing them to glow, creating the bizarre effect."
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Missile test creates huge expanding halo of light over Hawaii

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