Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Changing mass of the sun

  1. May 8, 2008 #1


    User Avatar

    If the sun is converting matter to energy it must be losing mass at roughly one earth mass per 43 million years (calculated from the solar constant).

    How would the loss of solar mass affect the earth's orbit?
  2. jcsd
  3. May 8, 2008 #2

    D H

    Staff: Mentor

    The sun also loses mass via the solar wind. This is presently about about 30% of mass loss due to radiation, but was significantly greater in the young sun. The combined effect is currently about 9e-14 solar masses per year. The orbital radius increases in proportion to the solar mass loss; the period increases at twice this rate.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?

Similar Discussions: Changing mass of the sun
  1. Sun mass loss (Replies: 4)

  2. Mass of the sun (Replies: 12)