Kartal
vendredi 15 février 2019
There are more planets than there are stars, and at least a quarter are Earth-size and could support life. Meaning that in the Milky Way alone, there are at least 25 billion places where life could exist. https://on.natgeo.com/2X3PvhT
https://twitter.com/NatGeoPhotos/status/1096379130432708609
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