The Conversation

Hubble's deep field images of the early universe are postcards from billions of years ago

Author: The Conversation

The Hubble Extreme Deep Field, looking back towards the birth of the universe.NASA/ESA

This insignificant patch of sky in the fairly obscure constellation of Fornax is the setting for one of the most remarkable images ever captured. Although only a fraction of the full moon in size, this image traces thousands of distant galaxies to the edge of the...

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