From today’s SpaceWeather.com e-mail.
BLUE-SKY FIREBALL: Last week a meteoroid of unknown size hit Earth’s atmosphere
over Denmark and exploded with a flash so bright it turned the nighttime sky
daytime blue. A video of the remarkable fireball and eye-witness reports may be
found at Spaceweather’s fireball sighting page:
http://spaceweather.com/glossary/fireballreports_17jan09.htm
Fred Bortz, author of
Collision Course: Cosmic Impacts and Life on Earth
and
other books for young readers
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