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Big Bear Solar Observatory

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science2 years ago

The Sun's Coldest Sunspot Umbra Powers Its Corona.

Researchers at the Big Bear Solar Observatory have discovered intense wave energy from the sunspot umbra that could maintain million-degree temperatures in the Sun’s corona. The finding is the latest key to unraveling a host of related mysteries pertaining to Earth’s nearest star. The coronal heating problem is one of the biggest mysteries in solar physics research, and with this study, researchers have fresh answers to this problem, which may be key to untangling many confusing questions in energy transportation and dissipation in the solar atmosphere, as well as the nature of space weather.