Edgar posted:

We know the sun every day burning, so its diameter is contracting for 7-8km
every year.

No, the sun's diameter is *not* contracting. In fact, in a few billion years,
it will eventually expand to a point where it will swallow up the inner
planets and possibly the Earth as well.
--
David W. Knisely
Prairie Astronomy Club: http://www.prairieastronomyclub.org
Hyde Memorial Observatory: http://www.hydeobservatory.info/

**********************************************
* Attend the 11th Annual NEBRASKA STAR PARTY *
* July 18-23, 2004, Merritt Reservoir *
* http://www.NebraskaStarParty.org *
**********************************************