Observation notes (with equipment details), photos, sketches, reviews, software tips, random thoughts, by an amateur astronomer.
Tuesday, May 07, 2013
a photon fact
We had talked about it briefly on the weekend. I looked up the info and relayed the notes to Tony. According to wikipedia, the time for a photon, released in fusion, to reach the surface of our Sun ranges anywhere from 50 million to 17000 years.
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