Weak solar convection – approximately 100 times slower than scientists had previously projected

This shakes us Earthlings to our core…literally. Whether or not we fully understand all of the reasons for it there is one thing about which reasonable people can all be certain: we know the independent variable that is the cause of global warming and cooling. Nominally, it’s the Sun, stupid.

Watts Up With That?

From New York University:  Researchers create ‘MRI’ of the sun’s interior motions

A team of scientists has created an “MRI” of the Sun’s interior plasma motions, shedding light on how it transfers heat from its deep interior to its surface. The result, which appears in the journal the Proceedings of the National Academy of Sciences, upends our understanding of how heat is transported outwards by the Sun and challenges existing explanations of the formation of sunspots and magnetic field generation.

The Sun’s heat, generated by nuclear fusion in its core, is transported to the surface by convection in the outer third. However, our understanding of this process is largely theoretical—the Sun is opaque, so convection cannot be directly observed. As a result, theories largely rest on what we know about fluid flow and then applying them to the Sun, which is primarily composed of hydrogen, helium, and plasma. 

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About Wagathon

Hot World Syndrome—fear of a hotter, more intimidating world than it actually is prompting a desire for more protection than is warranted by any actual threat. A Chance Meeting– We toured south along the Bicentennial Bike Trail in the Summer of 1980, working up appetites covering ~70 miles per day and staying at hiker/biker campgrounds at night along the Oregon/California coast (they were 50¢ a day at that time). The day's ride over, and after setting up tents, hitting the showers, and making a run to a close-by store, it was time to relax. The third in our little bicycle tour group, Tom, was about 30 yards away conversing with another knot of riders and treating himself to an entire cheesecake for dinner. He probably figured Jim and I would joke about what a pig he was eating that whole pie and decided to eat among strangers. Three hours later after sharing stories and remarking on a few coincidences that turned up here and there, Tom and one of the former strangers realized they were cousins, meeting in this most unlikely place for the first time. ~Mac
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