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19 gen 2017 anni - Formation of First Stars & Galaxies

Descrizione:

First stars formed when the universe was only about 200 million years old. Matter clumps under the force of gravity, then the first stars ignite, and finally the structures of galaxies form.

Aggiunto al nastro di tempo:

Cosmic Calendar

ByLin
14 dic 2017
0
0
2564

Data:

19 gen 2017 anni
Adesso
~ 8 years and 5 months ago

Immagini:

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