Fill in the blank: Newton's third law of motion states that for every , there is an equal and opposite . Please help me fill in the blanks!!

1. action

2. reaction

Explanation:

the third law of motion states that every action has an equal and opposite reaction. for example, when you punch a wall, it hurts because you experience the same force back at you from the wall that you used

from 1609, galileo galilei used the recently invented telescope to observe the sun, moon and planets. he saw the mountains and craters of the moon, and for the first time revealed the planets to be worlds in their own right. galileo also provided strong observational evidence that planets orbited the sun.

his discoveries about the moon, jupiter's moons, venus, and sunspots supported the idea that the sun - not the earth - was the center of the universe, as was commonly believed at the time.galileo turned his gaze toward venus, the brightest celestial object in the sky - other than the sun and the moon.