Curious Fact of the Day

Interstellar grains, those sub-micron sized bits of stardust manufactured from matter exported by stellar winds and supernovae, seem to be spinning at supra-thermal velocities. That is, there is more energy in rotational than linear degrees of freedom. A few curious processes are expected to be responsible.

Physics of the Interstellar and Intergalactic Medium (Princeton Series in Astrophysics) by Bruce T. Draine (Dec 20, 2010), page 308.


Popular posts from this blog

Inequality and Technological Progress

Technological Advance and Capitalism