Galileo s most important contribution to astronomy was his

a. discovery of evidence that the sun is the center of the solar system.

b. set of calculations of the size of each of the planets.

c. discovery of the planet mars.

d. description of the behavior of moving objects.

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17 February, 02:15

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Emerson English · Answer 1

The answer is A also known as the heliocentric theory originally discovered by Copernicus but proven by Galileo

Galileo s most important contribution to astronomy was hisa. discovery of evidence that the sun is the center of the solar system.b. set of calculations of the size of each of the planets.c. discovery of the planet mars.d. description of the behavior of moving objects.