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Astronomy

16 Articles

Latest

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Ptolemy versus Copernicus

Frank Tipler & Wesley Bollinger

[short_description] Between 1564 and his death in 1601, Tycho Brahe compared predictions made using the Ptolemaic and Copernican systems with his own. Frank Tipler examines the data Brahe recorded in his notebooks.

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Dust

Umberto Cannella

[short_description] Astrophysicists search the cosmic microwave background for B-mode polarization. Sometimes they get overexcited. Umberto Cannella takes a look at what happened after the 2014 BICEP2 announcement.

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Interstellar Science

Jean-Pierre Luminet

[short_description] The promotion for Interstellar emphasized the film’s scientific credentials. Jean-Pierre Luminet examines how topics like fast-spinning black holes were depicted and notes some artistic license.

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A Natural History of Curiosity

David Berlinski

[short_description] During the living centuries of the Arab empire, a series of stellar observatories glittered like jewels throughout the archipelago of its conquests. None more so than that created by Ulugh Beg.

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