When Galileo looked at the Moon through a telescope, he could see its surface is rough, with mountains, valleys, and craters. In the then-ongoing debate between heliocentrism and geocentrism, what was the significance of this discovery

Ifound this on google “two vectors are equal if they have the same magnitude and direction. they are parallel if they have the same or opposite direction. we can combine vectors by adding them, the sum of two vectors is called the resultant.” i hope this you.

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