This is the most famous of the Perseid meteor showers. It's never not be an impressive and ready for their summer appearance, it tends to the majority of the meteors of non-astronomy fans can see. This meteor shower gets the name "Perseids" because it seems to radiate from the constellation Perseus. An observer in the Northern Hemisphere may begin to see Perseid meteors as early as 23rd July, when a meteor every hour or so could be visible. In the nextthree weeks, it is a slow build. It is possible, five Perseids per hour at the beginning of August and perhaps 15 per hour with the 10 August before the ground. The Perseids rapidly increase to a peak of 50-80 meteors per hour through the night of 12/13 and then rapidly decline to about 10 per hour up to 15 August.
http://www.youtube.com/watch?v=7RoLByhFf8A&hl=en
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