Launch Vehicles and Sensing Technology. How Rockets Work. Newton's Laws of Motion are: An object at rest tends to remain at rest An object in motion tends to remain in motion For every action there is an equal and opposite reaction . Conservation of Momentum.
“In my life, I've seen the images from space of a blue-white-green world — there are no political lines drawn on this planet.
“The border between the United States and Mexico is an imaginary line. It cannot be seen from space”