Perseid Meteor Shower (Tears of St. Lawrence) August 2009

by wildcherry on Tuesday, August 11th, 2009 | News, World

I’ve posted a video of The Perseid Meteor Shower. It is also called the “Tears of St. Lawrence” because it occurs roughly about the same date as St. Lawrence’s death on August 10.
Astronomers are estimating a double peak this year for viewers in the eastern portion of North America on Wednesday morning the 12th of August 2009. One peak should occur around 1:00 a.m. EST and the other peak around 5:30 a.m. EST.

” The Perseids (pronounced /ˈpɜrsiː.ɨdz/ us dict: pûr′·sē·ĭdz) are a prolific meteor shower associated with the comet Swift-Tuttle. The Perseids are so called because the point they appear to come from, called the radiant, lies in the constellation Perseus. Meteor showers occur when Earth moves through a meteor stream.

The stream in this case is called the Perseid cloud and it stretches along the orbit of the Comet Swift-Tuttle. The cloud consists of particles ejected by the comet as it passed by the Sun. Most of the dust in the cloud today is approximately a thousand years old. However, there is also a relatively young filament of dust in the stream that was pulled off the comet in 1862. The rate of meteors originating from this filament is much higher than for the older part of the stream.” taken from Wikipedia

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