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Subject: photo de 25000 trous noirs, depuis le sol
Newsgroups: fr.sci.astronomie,fr.sci.physique
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From: robby <me@pla.net.invalid>
Date: Tue, 4 Jan 2022 21:29:09 +0100
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prise en radio très basse fréquence. et comme il faut corriger les 
effets de l'ionosphère, la technique permet de suivre en passant divers 
phénomènes d'icelle.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

-- 
Fabrice