लेखक: Van Helden Albert Van Helden

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1 द्वारा ईबुक Van Helden Albert Van Helden

Albert Van Helden: Measuring the Universe
Measuring the Universe is the first history of the evolution of cosmic dimensions, from the work of Eratosthenes and Aristarchus in the third century B.C. to the efforts of Edmond Halley (1656-1742). …
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