Uncategorized
- Math
The Eclipse That Saved Columbus
An eclipse prediction in a book of astronomical tables helped Columbus out of a jam.
- Earth
Hot, Hotter, Hot: Climate seesawed during dinosaur age
The climate during the time of the dinosaurs varied far more than scientists had previously thought.
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The explanation in this article for the increased ocean-surface temperature seemed to focus solely on atmospheric effects. I wonder if variations in undersea volcanism might have contributed to the sudden spike in Pacific Ocean surface temperatures during the Aptian epoch of the Cretaceous period. If so, then a moderately higher release of volcanic ash might […]
- Astronomy
Jet Set: Astronomers identify the makeup of quasar streams
Astronomers have identified the particles in jets emanating from supermassive black holes as electrons and protons, which carry much more energy than some computer models had suggested.
