Sentences with phrase «whose spin rates»

The scientists tracked the spin of 30 stars, whose spin rates ranged from four days to 23 days, in a 2.5 billion - year - old cluster known as NGC 6819 and discovered that the older a star gets, the slower it spins.

Not exact matches

This is called the conservation of angular momentum, and is often illustrated with the analogy of a twirling figure skater whose rate of spin changes when he or she extends or retracts arms or a leg.