Solar physicists are planning to capture high-resolution sunspots during the total solar eclipse
During the total solar eclipse, a team of solar physicists are planning to capture high-resolution sunspots at microwave radio wavelengths. During the upcoming total solar eclipse on 21 August, a team of solar physicists are planning to capture high-resolution sunspots — the visible concentrations of magnetic fields on the Sun’s surface — at microwave radio wavelengths. “Radio waves from the solar corona have long wavelengths, and as resolution is proportional to wavelength, our images ordinarily have rather low spatial resolution. “Radio waves are sensitive to the otherwise invisible corona of the Sun, especially its magnetic field, so we will use the eclipse to make high-resolution images of the corona above active regions.” Using the NJIT’s Expanded Owens Valley Solar Array and from the Jansky Very Large Array radio telescope, the researchers will be able to cover between 75 to 80 percent of the sunspots at microwave radio wavelengths.
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