On May 10, 2024, a John Deere dealer sent out a strange press release. “Please be advised that there is significant solar flare and space weather activity,” it read. The company, a maker of tractors ...
Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, frothy boundary that marks where solar winds escape the sun's magnetic grasp ...
The Sun in ultraviolet, as seen by the NASA Solar Dynamics Observatory, during two periods: one the recent solar minimum in around 2019, and the solar maximum that preceded it, when the Sun was much ...
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