collinsmark's latest activity
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This may be a reference to the USS Cowpens. -
collinsmark reacted to DennisN's post in the thread Our Beautiful Universe - Photos and Videos with
Like.
Artemis II has now launched and is on the way to the Moon: NASA's Artemis II Moon Mission Lifts Off By pure coincidence I shot the... -
What Mexican dish is prepared most efficiently? [/spoiler]
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What would we do without AI?
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I wonder if the founder of this bookstore was a physics major.
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Some information on the region. https://en.wikipedia.org/wiki/Westerhout_51 Article on the image...
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collinsmark reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with Like.
Mon. March 30, 2026 X-CLASS SOLAR FLARE AND CME: NASA's Artemis rocket might be launching into a geomagnetic storm. This morning, an...
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Fossils like this are uncommon because of the unusual conditions required for soft tissue preservation.
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The first spring photos taken today... A small bush branch: Close-up of moss (1) (focus stacked): Close-up of moss (2) (focus...
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A single shot of the Moon, shot from a city street earlier this evening at about 19:35 (7:35 pm)... Original: Cropped and edited...
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(This one has nested spoilers.) What is "Real men don't eat quiche" known as? [/spoiler]
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One night in Glasgow and one in Dumfries.
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Where are all these people going? Down to the Tidal Basin in Washington DC, to see the cherry blossoms!
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Time to scare @Andy Resnick with some lens servicing photos... :biggrin: Servicing a lens in bed while listening to Neil DeGrasse...
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What do you call a music director who works only half-time?