Planck era

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In the Big Bang theory, the fleeting period between the Big Bang itself and the so-called Planck time when the Universe was 10–43 s old and the temperature was 1034 K. In this period, quantum gravitational effects are thought to have dominated. Theoretical understanding of this phase is virtually non-existent. It is named after Max Planck (1858–1947).

Subjects: Astronomy and Astrophysics.

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