Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A billion (109) years

Etymologies

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Examples

  • The trouble is that the record does not go very far backless than a gigayear, which is only a fraction of the total age of the Earth.

    George’s Cosmic Treasure Hunt Lucy 2009

  • The trouble is that the record does not go very far backless than a gigayear, which is only a fraction of the total age of the Earth.

    George’s Cosmic Treasure Hunt Lucy 2009

  • The trouble is that the record does not go very far backless than a gigayear, which is only a fraction of the total age of the Earth.

    George’s Cosmic Treasure Hunt Lucy 2009

  • The trouble is that the record does not go very far backless than a gigayear, which is only a fraction of the total age of the Earth.

    George’s Cosmic Treasure Hunt Lucy 2009

  • Before this period, more primitive procaryotic life-forms, such as bacteria with cells that are too small to contain nuclei, are now thought to have been widespread when the Earth was less than one gigayear old.

    George’s Cosmic Treasure Hunt Lucy 2009

  • Before this period, more primitive procaryotic life-forms, such as bacteria with cells that are too small to contain nuclei, are now thought to have been widespread when the Earth was less than one gigayear old.

    George’s Cosmic Treasure Hunt Lucy 2009

  • Before this period, more primitive procaryotic life-forms, such as bacteria with cells that are too small to contain nuclei, are now thought to have been widespread when the Earth was less than one gigayear old.

    George’s Cosmic Treasure Hunt Lucy 2009

  • Before this period, more primitive procaryotic life-forms, such as bacteria with cells that are too small to contain nuclei, are now thought to have been widespread when the Earth was less than one gigayear old.

    George’s Cosmic Treasure Hunt Lucy 2009

  • Once or twice a gigayear, it passes through the vast thick clouds that surround that region.

    Explorations ANDERSON, Poul 1981

  • A kiloparsec-scale hyper-starburst in a quasar host less than 1 gigayear after the Big Bang,

    innovations-report 2009

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