Re: The Sun's mass throughout its life?
- From: "N:dlzc D:aol T:com \(dlzc\)" <dlzc@xxxxxxx>
- Date: Sat, 14 Jul 2007 09:09:31 -0700
Dear Yousuf Khan:
"Yousuf Khan" <bbbl67@xxxxxxxxx> wrote in message
news:4698d623$1@xxxxxxxxxxxxxxxxxx
I guess by definition the mass of the Sun is one Solar
Mass right now, obviously. But since it's been around
5 billion years, it must have started out much heavier
and blown away part of that mass into space. How
many Solar Masses was it at birth? Also by the time
it gets into old age, how many Solar Masses will it
weigh when it has entered its various Red Giant
phases like helium burning, carbon burning, etc.? And
what will it's final corpse mass be as a White Dwarf?
Without having a citation at hand, the Sun is losing about 1 part
in 10^14 per year through solar wind and radiation IIRC. The red
giant phase may increase that rate, but probably not by much.
I would say "essentially unchanged".
David A. Smith
.
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