Quote:
Originally Posted by George
Yep, I should have done the math.  I did not know they were so fast. Wow. The 1000 km/s rotators take less than 2 hours to whirl. I assume these are regarded as the youngest. |
Not necessarily. Older stars tend to rotate slower because they have had longer to lose angular momentum, but stars of similar age can have very different rotational periods. The fastest ones would be close to the maximum, ie any faster and they'd start throwing rings.