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Painted portrait of Ole Rømer. He has long, dark, curly hair (possibly a wig) and wears a burgundy jacket with a frilly white collar.

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https://files.mastodon.social/media_attachments/files/111/126/244/733/529/848/original/cd4e56e939a445c0.jpeg

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  1. Robert McNees (mcnees@mastodon.social)'s status on Monday, 25-Sep-2023 14:25:33 UTC Robert McNees Robert McNees

    Every story the Universe tells is a history.

    Danish astronomer Ole Rømer was born #OTD in 1644. His observations of Jovian moons confirmed light propagates at finite speed. This profound conceptual shift opened the door for work by Huygens, Fresnel, and Maxwell.

    Portrait: Jacob Conring / Wikimedia Commons

    In conversation about a year ago from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

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