14 abr 628 año - Indian astronomer Brahmagupta
Descripción:
a follower of the heliocentric theory of the Solar System earlier developed by Aryabhata, recognizes gravity as a force of attraction in his "The Opening of the Universe" of 628, in which he describes a force of attraction between the Sun and the Earth.
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fecha:
14 abr 628 año
Ahora mismo
~ 1397 years ago
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