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Recent advances in the instrumentation used to observe star forming regions in both our own Milky Way and in external galaxies have transformed the subject from a phenomenological pursuit into an increasingly unified, physical science. High resolution centimetre, millimetre, infrared, and optical studies of local star forming clouds have allowed us to probe the physics of star formation down to spatial scales approaching those of the solar system. These developments make it possible to better constrain the basic physical processes underlying star formation itself. At the same time, these new instruments have placed extragalactic studies on a footing detailed enough to allow comparison with s...
Planetary defense from near-Earth objects such as asteroids is a far more nuanced and challenging topic than it might seem. Each day, technology is making it easier to detect asteroid impact threats in advance, but at present, there is still no easy way to design and implement any form of global defense. This book examines how various asteroid deflection methods can change global political affairs. The authors believe that the final policy for potential Earth impacts should be based on practical engineering solutions and innovative architectural structures, while at the same time reflecting the most recent political science contributions in ethical security studies and security cosmopolitani...
Annotation Contains papers from a June 1999 workshop addressing the emerging interdisciplinary field of brown dwarfs and extrasolar giant planets. Principal topics discussed are atmospheric structure and chemistry, dynamics, condensation, interior structure, and the evolution of extra-solar planets and brown dwarfs. Some specific topics include the nature and origin of low-mass companions to stars, discovering T dwarfs with 2MASS, the exotic atmospheres of substellar-mass objects, narrow-band near infrared photometry of brown dwarfs, and photochemistry in giant-planet atmospheres. Griffith is affiliated with Northern Arizona University. Marley is affiliated with New Mexico State University. Lacks a subject index. Annotation c. Book News, Inc., Portland, OR (booknews.com)