Dr. Alex Young, associate director for science, heliophysics science division at NASA's Goddard Space Flight Center, tells Tonya Hall about his experiences seeing solar eclipses and how the tools that measure them have evolved.
2019年10月7日星期一
The evolution of NASA instruments used to measure solar eclipses
Dr. Alex Young, associate director for science, heliophysics science division at NASA's Goddard Space Flight Center, tells Tonya Hall about his experiences seeing solar eclipses and how the tools that measure them have evolved.
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