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Newton’s Third Law Of Motion, which states that every action has an equal and opposite reaction is the heart of rocket science.
The basics of rocket science are not that complicated, only involving getting the moving force that overcomes the pull of gravity, in a calculated and controlled manner.
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The thrust required for an object to overcome Earth’s gravity and atmospheric resistance and move towards space is called escape velocity. Besides Earth, the gravitational forces that can affect the object are those coming from the sun, moon and even other planets.
Apart from space vehicles and the military, rockets are used in life-saving rescue flares and fireworks, and even the ejector seats in military planes.
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Many rockets have multiple ‘shell’s that fall off during escape velocity and is due to the empty fuel containers that are discarded to save on mass, after their fuel has been utilized.
Landing back on earth is trickier than landing on surfaces with no atmosphere or less gravity, and rockets use air resistance, wings and parachutes to slow down the reentry fall.
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The ISS is a multi-nation super satellite, the largest single construct in space, made between 1998 and 2011.
As of 2018, 230 astronauts and 18 countries have visited the Internat...
The International Space Center circles the globe every 90 minutes at a speed of 17,500 mph. It flies at an altitude of 248 miles above Earth.
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Human health research, especially eye problems are a major activity. Biological activities, animal tests and testing of appliances in space is also done.