Cosmic Dust by Robert Wilson , Ph.D. of the Atomic Energy
Research Establishment, Harwell
Dust clouds in our own galaxy often obscure the stars lying behind them; the same effect is seen in other galaxies. What does this dust consist of-is it metallic? What shape are the grains? How are they arranged-and why? These questions form the basis of Dr. Wilson's talk, in which he outlines current theories on this subject.
