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On Skylab we used Neutrogena for showers, shampoo and sponge baths. Newer cleaners are now available and are used just as you would use soap. ---- Answer provided by Col. USAF (Ret.) William R. Pogue Image ...

A film camera can be used, but a digital still camera with a high megapixel capability is ideal. It is always ... camera, the images can be quickly downloaded to a computer and sent home to family and friends via e-mail. Cameras that operate with film are still used in space but the ...

... propulsion purposes. Oxygen can be used for life support as well. Other elements, such as the carbon dioxide on Mars can be used to make methane for propellant. Helium-3 can be used for medical purposes ... can also be used for positron emission tomography (PET) and inertial-electrostatic confinement (IEC) fusion reactors that can be used for coal quality measurements, mineral quality monitoring, as well as imaging processes that can be used ...

... is normally not used for rocket propulsion nowadays, primarily because the energy content per pound is not as great as other fuels. For example, the energy of regular gasoline is about 18 ... likely approach for deep space flight because, with proper design and operation, plasma rocket engines can be made to operate at extremely high efficiencies. For example, an experimental plasma rocket under ...

In some cases we can make air. Water as we know it is made up of hydrogen and oxygen. If we pass electricity through water it breaks up the molecule and we get hydrogen and ... the Moon or to other planets like Mars they will need oxygen to breathe. They can either carry up pure oxygen which is heavy and expensive to do or they ... up water and make oxygen like the Shuttle and Space Station do today, or they can do something called in-situ resource utilization. In-situ means they might be able to ...

... , and even wearing sunglasses. The same is true in space. As we fly further out into the solar system, we will always be able to see the Sun, but it will seem ...

Stationary bikes, attached to the floor, can be used in space. Since there is only micro-gravity in space, regular bike's wheels would float off the floor and the bike would be ...

... , our favorite 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 ... 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. ---- Answer provided by Jon H ...

... that resources may also be thought of in a different context—let's say we consider the vacuum of space, the hot and cold temperatures, lack of seismic activity on ... as resources. The temperatures are generally 260° F to -280° F; however, it can get as low as -382° F in craters, and as high as 417° ... during the day, thus equaling about an 800° F temperature differential. These resources can be used for things we don't normally see on Earth. ---- Answer provided by Trygve Magelssen Image:K2S ...

... duration missions. All of the technologies we use currently for space travel have consumables. These consumables have to be replaced or recharged on Earth. If we were to travel to Mars or beyond ...

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