Andy Rivkin • Feed
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Andy Rivkin @asrivkin.bsky.social

🔭🧪❤️

aug 28, 2025, 4:28 am • 49 8

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profradii.bsky.social @profradii.bsky.social

Marvelous!

aug 28, 2025, 3:05 pm • 1 0 • view
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John Tomasura @jonston.bsky.social

Also the comet orbit, probably Halley’s in 1758.

aug 28, 2025, 10:37 am • 1 0 • view