It would then be about 10^-12 solar masses per year. In 5 billion years to the red giant phase, the Sun would only have lost about 1/200 of a solar mass which would do almost nothing to change its nuclear burning process, and it is that which dictates how rapidly it will evolve.
All answers are provided by Dr. Sten Odenwald (Raytheon STX)
for the
NASA IMAGE/POETRY
Education and Public Outreach program.