Physics, 19.02.2020 20:48 cheervolley

The radius of the sun is 700,000 km and the radius of Earth is 6400 km. If the Earth-moon system is 150. million km from the sun, then about how long is the umbra of Earth in kilometers?

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The radius of the sun is 700,000 km and the radius of Earth is 6400 km. If the Earth-moon system is...

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