By Martin Harwit
Astrophysicist and pupil Martin Harwit examines how our realizing of the Cosmos complex quickly through the 20th century and identifies the standards contributing to this development. Astronomy, whose instruments have been principally imported from physics and engineering, benefited mid-century from the U.S. coverage of coupling simple learn with sensible nationwide priorities. This approach, in the beginning built for army and business reasons, supplied astronomy with strong instruments yielding entry - at nearly free of charge - to radio, infrared, X-ray, and gamma-ray observations. at the present time, astronomers are investigating the hot frontiers of darkish topic and darkish power, serious to knowing the Cosmos yet of indeterminate socio-economic promise. Harwit addresses those present demanding situations in view of competing nationwide priorities and proposes substitute new ways looking for the genuine Universe. this is often an attractive learn for astrophysicists, coverage makers, historians, and sociologists of technological know-how trying to examine and observe classes from the previous in gaining deeper cosmological perception.
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