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Space Shuttle Research Paper

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Space shuttles are the most common way for humans to explore space. We need a force strong enough so we can be propelled out of our earth’s atmosphere. The main problems are that space shuttles are expensive, they can cost up to 57 million dollars to launch and to build and also harmful for our stratospheric ozone with gasses that are being released. Space shuttle engines emit reactive gases that cause the ozone layer to break apart. For a space shuttle to have enough force to get out of the ozone layer they must use a lot of energy to propel themselves. A rocket works by exchanging momentum, the mass of the propellant and the high velocity of its exit from the engine system give the rocket its momentum. We have been using the same methods …show more content…
This space craft was designed and launched by NASA, it is propelled by three xenon ion thrusters that were derived off early versions of the Deep Space 1 aircraft. Not only are these machines expensive to build they cannot be used inside of our atmosphere. These machines also have to have the gas replaced so that they remain running. Xenon gas expensive sitting at about 8000 USD for 1000 litres. The amount that is taken to run a ship fuelled on it would be very …show more content…
This money is comparably less than a chemical rocket. This is because it more energy efficient and is run on a gas not ordinary petroleum which costs a lot less. Launching a single satellite into space can cost anywhere between $10 million and $400 million dollars. This then adds up with the fact they must be maintained while they are in orbit which when using ordinary fuel can cost up to 150,000 dollars a year. Although the satellites are more expensive to build the cost to maintain is significantly less. If a ship is still in space the thruster will remain in standby mode which uses nearly no energy or

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