Fully updated with data from space-based observations and a comprehensive index and bibliography, this third edition contains the most frequently used information in modern astrophysics. As well as a vast number of tables, graphs, diagrams and formulae it also contains information covering topics including atomic physics, nuclear physics, relativity, plasma physics, electromagnetism, mathematics, probability and statistics, and geophysics. This handbook will be an essential reference for graduate students, researchers and professionals working in astronomy and the space sciences. A website containing extensive supplementary information and databases can be found at www.cambridge.org/9780521782425.