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In 1862, the physicist William Thomson, 1st Baron Kelvin published calculations that fixed the age of Earth at between 20 million and 400 million years. He assumed that Earth had formed as a completely molten object, and determined the amount of time it would take for the near-surface temperature gradient to decrease to its present value. His calculations did not account for heat produced

En este artículo, exploraremos las eras de la Tierra y sus periodos, desde la más antigua hasta la actual, y analizaremos los principales eventos que han dado forma al planeta tal y comoedades de la tierra lo conocemos hoy en día.

La edad de la Tierra indica el tiempo transcurrido desde su origen hasta nuestros días. Los geólogos y geofísicos modernos consideran que la edad de la Tierra es de unos 4540 millones de años ± 1 %. Esta edad había sido determinada mediante técnicas de datación radiométrica de material proveniente de。 See more

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