Question

PLEASE HELP!!! WILL GIVE BRAINLIEST, 5-STAR RATING, AND THANK YOU!!! 8PTS GUARENTEED! Helpful answers appreciated!

Answer 1

For Galileo:

He subsequently used his newly invented telescope to discover four of the moons circling Jupiter, to study Saturn, to observe the phases of Venus, and to study sunspots on the Sun. Galileo's observations strengthened his belief in Copernicus' theory that Earth and all other planets revolve around the Sun.

Galileo and the Telescope. The invention of the telescope played an important role in advancing our understanding of Earth's place in the cosmos. While there is evidence that the principals of telescopes were known in the late 16th century, the first telescopes were created in the Netherlands in 1608.

What were two observations that Galileo made through his telescope that supported the heliocentric model? He uncovered 4 moons that revolved around Jupiter. He also knew that Venus is always near the Sun and that it had phases. If it revolved around the Earth then it wouldn't have those phases.

Galileo concluded that Venus must travel around the Sun, passing at times behind and beyond it, rather than revolving directly around the Earth. Galileo's observations of the phases of Venus virtually proved that the Earth was not the center of the universe.

For Newton:

The legend is that Newton discovered Gravity when he saw a falling apple while thinking about the forces of nature. Whatever really happened, Newton realized that some force must be acting on falling objects like apples because otherwise they would not start moving from rest.

Isaac Newton changed the way we understand the Universe. Revered in his own lifetime, he discovered the laws of gravity and motion and invented calculus. He helped to shape our rational world view. But Newton's story is also one of a monstrous ego who believed that he alone was able to understand God's creation.

Effects of gravity on Earth and the Moon. Newton found the Moon's inward acceleration in its orbit to be 0.0027 metre per second per second, the same as (1/60)2 of the acceleration of a falling object at the surface of Earth.

Gravity is very important to us. We could not live on Earth without it. The sun's gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun's light and warmth. It holds down our atmosphere and the air we need to breathe.

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