The Science Of Rocket Science
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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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.
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.
Our imagined moon has long inspired fear, excitement, hubris, and political ambition – fact and myth, science and science fiction have always intertwined.
Some of the engineers who advised Fritz Lang on his 1929 film, Frau im Mond went on to develop the first rocket capable of reaching space, Germany’s V-2. When they later moved to Huntsville, they took with them not just their know‑how but also Lang’s anticipation-quickening innovation of counting down the seconds before the rocket’s launch.
The biggest perk of traveling to space is the view. Just past the boundary between space and Earth, passengers can catch a stunning glimpse of our planet juxtaposed against the wide unknown of space. The view is meant to be awe-inducing, and the experience even has its own name: the Overview Effect.
Another perk of these trips is that space tourists will feel a few minutes of microgravity, which is when gravity feels extremely weak. That will give them the chance to bounce around a spacecraft weightlessly before heading back to Earth.
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