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Pas infini ?Et si l’univers était une sphère fermée ? C’est ce que pourraient suggérer des observations de l’Agence spatiale européenne
Selon une étude publiée dans Nature Astronomy fin 2019, l'Univers pourrait être sphérique et fermé. L'étude revient notamment sur une anomalie dans les données collectées en 2018 à propos du fond diffus cosmologique.
16 août 2020