collinsmark's latest activity
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Appears to be one of those Facebook things: No, an Austrian airport doesn't have a desk for travelers ... -
These few months have the best over land+water sunsets
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Soccer ball, the car:
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Last month, Britain's Royal Mail released a set of stamps honoring Monty Python: Old-timers here should note the reference to the...
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Why did the astronomer put meat in his shower?
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TIL about Ewin Howard Armstrong:
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collinsmark reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with
Like.
Tue Sept. 2, 2025 1. " GEOMAGNETIC STORM WATCH: A geomagnetic storm watch is in effect on Sept. 2nd as Earth passes through the wake of... -
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Doh! It happened again. Was trying again to figure out the probability of me breaking my hip, when an intermediary graph reminded me of...
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This is one of my favorite photos.
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Some shots from the courtyard showing the remarkable background blur capabilities of the lens Jupiter-37A 135mm f/3.5: Leaves: Plant...
