Star dust

The Stardust probe returns after years of collecting particles from another solar system.

20 August 2014

Presented by Graihagh Jackson.

NASA-WMAP-first-stars.jpg

The first stars in the Universe turn on at about 400 million years after the Big Bang. WMAP data reveals the era.

Credit:

CC0 - NASA/WMAP Science Team.

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Stardust returns

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