![]() The long lunar night would impede reliance on solar power and require that a facility exposed to the sunlit equatorial surface be designed to withstand large temperature extremes (about 95 K (−178.2 ☌) to about 400 K (127 ☌)).There are several disadvantages and/or problems to the Moon as a site: One estimate suggested a 0.5 hectare space farm could feed 100 people. A beneficial temperature, radiation protection, insects for pollination, and all other plant needs could be artificially provided during the local summer for a cost. A farm at the lunar north pole could provide eight hours of sunlight per day during the local summer by rotating crops in and out of the sunlight which is continuous for the entire summer.A lunar zenith telescope can be made cheaply with ionic liquid. It is relatively nearby astronomical seeing is not a concern certain craters near the poles are permanently dark and cold, and thus especially useful for infrared telescopes and radio telescopes on the far side would be shielded from the radio chatter of Earth. The lunar soil, although it poses a problem for any moving parts of telescopes, can be mixed with carbon nanotubes and epoxies in the construction of mirrors up to 50 meters in diameter. Building observatory facilities on the Moon from lunar materials allows many of the benefits of space based facilities without the need to launch these into space.While some Earth-crosser asteroids occasionally pass closer, the Moon's distance is consistently within a small range close to 384,400 km. In addition, the Moon is the closest large body in the Solar System to Earth. Whether the Moon's gravity (roughly one sixth of Earth's) is adequate for this purpose is uncertain. Furthermore, the Moon does have some gravity, which experience to date indicates may be vital for fetal development and long-term human health. ![]() Others have proposed momentum exchange tethers (see below). Some proposals include using electric acceleration devices ( mass drivers) to propel objects off the Moon without building rockets. Rockets launched from the Moon would require less locally produced propellant than rockets launched from Earth. This could allow the Moon to serve as a source of construction materials within cis-lunar space. The energy required to send objects from the Moon to space is much less than from Earth to space. Setting up structures on a natural body would provide ample sources of material for their construction, particularly for purposes such as shielding from cosmic radiation. Software description provided by the publisher.Eagle on the Tranquility Base on JAdvantages, disadvantages, problems and potential solutions Discover hidden upgrades to expand your health and weapon capabilities. ![]()
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