NASA
Become a SunSketcher, and Help Measure the Shape of the Sun! – NASA Science
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During the total solar eclipse on April 8, 2024, we need help from volunteers from along the eclipse’s path of totality – the region from Texas to Maine where the Moon will completely block the Sun’s light – to help create a movie of the eclipse. Using the free SunSketcher smartphone app, you’ll capture views of the eclipse and trace tiny slivers of sunlight that pass through the valleys on the surface of the Moon. The science team will combine your images with precision maps of the Moon collected by NASA’s Lunar Reconnaissance Orbiter to measure the Sun’s size and shape precisely.
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