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Mathematics 22 Online
nbiela:

The Earth is approximately 2 × 107 km from Venus at its closest approach. The Earth is also about 4 × 1013 km from Proxima Centauri, a star. Which of the following is true?

jhonyy9:

do you know what is the difference between Earth ,Venus and a star from Proxima Centauri ? what are Earth and Venus ?

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