Dec 10

Cosmic dark ages brought to light

Source: Physicsworld.com

A humble piece of kit located in the Australian outback has revealed how the universe emerged from a period called the cosmic dark ages nearly 13 billion years ago. This was the time when the first stars and galaxies began to assert their influence on cosmic evolution, by bombarding the intergalactic medium with ultraviolet light until it had become a warm, ionized plasma. (read more)

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