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@eso

The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society ย  ๐Ÿ‡จ๐Ÿ‡ฑ @ESO_Chile

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linkhttp://www.eso.org calendar_today12-08-2008 10:03:09

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@eso

6 months ago

#BlackHoleWeek Day 2! โšซ ๐ŸŒŒ Did you know we can now measure the mass of a #BlackHole so far away that its light takes 11 billion years to reach us? ๐Ÿคฏ Hereโ€™s how it works ๐Ÿ‘‡ eso.org/public/announcโ€ฆ