Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
absorption spectrum
.
Show all posts
Showing posts with label
absorption spectrum
.
Show all posts
Wednesday, December 27, 2023
The forbidden light
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In the early nineteenth century, two scientists -- Joseph von Fraunhofer and Charles Wheatstone -- independently observed something strang...
Friday, May 1, 2020
Looking for a biosignature
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From Gordon's Obsession #1 (paleontology) yesterday, today we're moving on to Gordon's Obsession #2: outer space and extraterres...
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