Blame Halley’s Comet. Every year in mid-to-late October, Earth passes through a stream of dusty debris from Comet Halley, and the pre-dawn sky can light up with a pretty display of shooting stars.
Orionid meteors fly out of a radiant near the shoulder of Orion, the Hunter. In this sky map, the radiant is denoted by a red dot. Although the meteors emerge from a single point, they can appear anywhere in the sky. Image credit: Dr. Tony Phillips [Larger image]
Because these meteors streak out of the constellation Orion, astronomers call them "Orionids."
"The Orionid meteor shower is not the strongest, but it is one of the most beautiful showers of the year," notes Cooke.
More - Link >>> http://science.nasa.gov/science-news/science-at-nasa/2014/17oct_orionids/
Source: NASA Science News.
2014: 75th Year of Pittsburgh's Buhl Planetarium
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