Epoch - An Epoch (periodization)

An Epoch (periodization)

  • Epoch (reference date), a moment in time chosen as the origin of a particular era
  • Epoch (geology) or geologic epoch, a span of time smaller than a "period" and larger than an "age"
  • Epoch (cosmology) or cosmologic epoch, a phase in the development of the universe since the Big Bang
  • Epoch (astronomy), a moment in time used as a reference for the orbital elements of a celestial body
  • Epoch (race), racial periods in Blavatsky's esoteric theory of the root races
  • Epoch, a step in the training process of an artificial neural network

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Famous quotes containing the word epoch:

    “There is one great fact, characteristic of this our nineteenth century, a fact which no party dares deny. On the one hand, there have started into life industrial and scientific forces which no epoch of former human history had ever suspected. On the other hand, there exist symptoms of decay, far surpassing the horrors recorded of the latter times of the Roman empire. In our days everything seems pregnant with its contrary.”
    —Karl Marx (1818–1883)