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Almost finished preparing my colloquium for tomorrow here in Turku. Then Oulu next week, and Helsinki and Tartu (Estonia) the week after.
Under Hawaii’s Starriest Skies, a Fight Over Sacred Ground https://t.co/9SwNTxDIi4
The universe as art: low-poly rendering of the Orion Nebula based on recent image from @ESO
Sunlight dots the foothills of the Andes Mountains in #Chile thanks to some holes in the clouds