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Displaying 1—10 of 1000 matches for query "19._What_type_of_money_will_we_use" retrieved in 0.022 sec with these stats:
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- "use" found 21368 times in 8137 documents
You will probably use the same money you currently use—cash, checks, and credit cards. But it is likely to be ten or twenty years before any of that will begin to matter.
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Answer provided ...
Getting lots of humans into space and back routinely, safely and affordably is a challenging problem. Launch vehicles will need to be designed that are as reliable as an automobile per trip ... to have more than 30 flights per year. Fewer than 15 flights per year of a vehicle type seems to favor expendable launch vehicles, perhaps with a capsule for human recovery.
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Answer ...
At first, we likely will use ion propulsion. This is a type of rocket that expels a gas at very high speed—four or five times faster than a typical rocket. Ion propulsion is very efficient per gallon of fuel, but not very strong. It's like using the highest gear on a bicycle—if you are on ...
... chemical rockets we have used for many years will not be suitable for travel to outer space. They are too heavy and bulky. It seems likely that some sort of electrical propulsion will be used. In ... may include hydrogen, deuterium, helium, nitrogen, argon, and xenon. But electrical propulsion requires great amounts of electrical power, and this must be produced somehow on board the spacecraft.
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Answer provided by ...
... energy is electricity and we use a lot of it in space. We use it for lighting, heating, communications, motors, and many other things. We can produce electricity using fuel cells, large arrays of solar cells, solar dynamic ... rays on a sodium pump, nuclear generators, and of course, batteries. If we had a base on the Moon or Mars, we might mine minerals to use in electrical power generators.
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Answer provided by ...
Since there are no seasons, your clothing will be the same all the time. The only thing that concerns you will be whether the Sun is being shielded by the Earth and you are in darkness or you are in direct sunlight. It gets very, very cold in the vacuum of space. Loose-fitting and comfortable clothing is what you will need. Synthetic clothing is preferred to some of the other materials.
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Answer provided by Lonnie ...
Some of the games that you will play in space will be very much like the ones you play here on Earth, while others will have a new twist. You can even invent your ...
We will likely need some sort of orbiting spaceport for LEO that would be similar to an airport here on Earth. We will likely need facilities in space to deal with the remoteness of human settlements and to deal with the great distances and times between various locations in space. It is likely that we will ...
... beyond? But no matter what your flight plan, the primary attractions will be an unmatched view of the Earth, the strange feeling of weightlessness, and the wide-eyed wonder of being miles above the planet ...
... will certainly have enough supplies to last for the expected duration of the mission and probably an extra day or two in case you can't land on the planned day because of ...
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