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Parker Solar Probe traces solar wind to its source on sun's surface: coronal holes
Parker Solar Probe traces solar wind to its source on sun's surface: coronal holes
New data from the Parker Solar Probe, which got closer to the sun than any other spacecraft, allowed physicists to map the source of a major component of the solar wind that continually peppers Earth. The slow solar wind seems to emerge from coronal holes along the sun's equator. Data also reveal strange magnetic field reversals that could be accelerating solar wind particles, and an unexpectedly dense shroud of comet dust around the sun.
Like most solar sounding rockets, the second flight of the FOXSI instrument -- short for Focusing Optics X-ray Solar Imager -- lasted 15 minutes, with...
Combining computer observations and simulations, a new model shows that the presence of neutrals in the gas facilitates the magnetic fields to penetrate...
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