What major accomplishment in space occurred in 1969? A. American astrophysicists were the first to determine the speed of light B. American and Soviet astronauts worked together to orbit the Earth. C.

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asked May 6, 2022 158k views

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What major accomplishment in space occurred in 1969?

A. American astrophysicists were the first to determine the speed of light

B. American and Soviet astronauts worked together to orbit the Earth.

C. American astronomers discovered the size and temperature of the sun.

D. American astronauts became the first people to ever land on the moon.