collinsmark's latest activity
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To mark a certain 250th anniversary which is taking place today :wink: , here's a visit to Kings Mountain National Military Park, about... -
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Mossley
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Hartshead pike, leading up to solstice sunset.
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It is strange to us Brits too!
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Summer Solstice, Tameside Greater Manchester
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Monarch butterfly caterpillar munching on a milkweed next to my driveway. Taken this morning with an Olympus TG-5 camera.
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collinsmark reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with
Like.
June 30, 2026 EARTH-DIRECTED X-FLARE AND CME: Solar activity is at high levels following multiple explosions in new sunspot AR4479. The... -
collinsmark reacted to BillTre's post in the thread Share Animal Pictures: For Animal Lovers with Like.
These guys swim with cilia, not the leggy looking things. Their arms develop later from other larval parts.
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collinsmark reacted to BillTre's post in the thread Share Animal Pictures: For Animal Lovers with Like.
The blue haze is DNA stained cell bodies. The magenta is where neuron axons are. The eye is at the end of the magenta loop to the...
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collinsmark reacted to BillTre's post in the thread Share Animal Pictures: For Animal Lovers with Like.
Pre-hatch horseshoe crabs:
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collinsmark replied to the thread Random Photos."A diptych pairs two images to create a single visual idea. The photographs can be connected by subject, color, mood, motion, or...
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collinsmark reacted to 256bits's post in the thread Undergrad Is Water's Volume Expansion Upon Freezing an Intrinsic Property? with Like.
Here is a representations of 2 spheres, one 9% larger in volume than the other due to phase change of water from liquid to solid.
