Just what is Einstein's Theory of Relativity? The Big Bang Theory? Curvature of
Spacetime? What do astronomers mean when they talk of a "flat universe"?
This approachable and authoritative guide to the cosmos answers these questions,
and more. Taking advantage of the distinctive "Critical Dictionary" format,
readers can use the extensive, cross-referenced background chapters as a
fascinating and accessible introduction to the current state of cosmological
knowledge--or, they can use the convenient A-Z body of entries as a quick
reference to a wide range of terms and concepts. Entries include topics such as:
Black Hole; Doppler Effect; Fermi, Enrico; Heat Death of the Universe; Life in
the