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020			_a9780300227031
040			_cAACR-II
082			_a520 NAT
100			_aNatrajan,Priyamvada _92169
245			_aMapping the heavens- radical scientific ideas that reveal the cosmos
260			_aLondon _bYale University Press _c2016
300			_a267p.
520			_aThis book provides a tour of the “greatest hits” of cosmological discoveries―the ideas that reshaped our universe over the past century. The cosmos, once understood as a stagnant place, filled with the ordinary, is now a universe that is expanding at an accelerating pace, propelled by dark energy and structured by dark matter. Priyamvada Natarajan, our guide to these ideas, is someone at the forefront of the research―an astrophysicist who literally creates maps of invisible matter in the universe. She not only explains for a wide audience the science behind these essential ideas but also provides an understanding of how radical scientific theories gain acceptance. The formation and growth of black holes, dark matter halos, the accelerating expansion of the universe, the echo of the big bang, the discovery of exoplanets, and the possibility of other universes―these are some of the puzzling cosmological topics of the early twenty-first century. Natarajan discusses why the acceptance of new ideas about the universe and our place in it has never been linear and always contested even within the scientific community. And she affirms that, shifting and incomplete as science always must be, it offers the best path we have toward making sense of our wondrous, mysterious universe.
650			_aCosmology _92170
650			_aDiscoveries _92171
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999			_c355277 _d355277