shoutout to @cintylee.bsky.social for one of the most helpful field guides around

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1/4 A 2018 Brigham Young University study explicitly tested UV irradiation of CO₂ and water vapor in a Mars‑like atmosphere, demonstrating that UV light can drive the formation of hydrogen peroxide (H₂O₂). See physics.byu.edu/docs/thesis/...

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I was lucky to witness two astoundingly good talks today: @stellarplanet.bsky.social talked about exoplanet atmospheres for Geology Club, and @cintylee.bsky.social talked about bioacoustic monitoring of migrating birds for Bird Club! Grateful to know these amazing scientists. ⚒️🦉

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Less than a 1000 years old in some cases, with cultural significance:

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🧪⚒️Just posted Keith Klepeis on how plutons form. He identified conduits, feeder dikes, and mushroom-shaped sheets that form as magma rises from the base of the crust to the upper crust. A tilted batholith in NZ provided him with a rare continuous exposure of 20 km of crustal section. #geology

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