Star Expansion Rate
Name: John R.
When a star expands/explodes how long does it actually take for it to
engulf its solar system? Minutes, years, centuries? The animations on
documentaries seem to take minutes.
It would all depend upon how violent the explosion is, and how far away
the planets are, but you could bracket it. I am sure that the time that
lapses from a solar flare that sends particles to the earth is known, I just
do not happen to know what it is. That would be a lower limit. The speed of
light would be an upper limit.
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Update: June 2012