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Space Settlement

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Abby Raymond

on 5 October 2012

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Transcript of Space Settlement

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli by Abby Raymond Space Settlement a home in orbit

Typical space settlement designs are roughly one half to a few kilometers across. A few designs are much larger

Settlements must be air tight to hold a breathable atmosphere, and must rotate to provide psuedo-gravity

Enormous amounts of matter (lunar soil) must cover the settlements to protect inhabitants from radiation

On Earth our atmosphere does this job, but space settlements need about five tons of matter covering every square meter of a colony's hull to protect space settlers from cosmic rays and solar flares What is Space Settlement? Where? Economics What Does It Require? Why? "Space Settlement Basics." Nasa. N.p., n.d. Web. 27 Sep 2012. <http://settlement.arc.nasa.gov/basics/wwwwh.html>.

"The Meaning of Space Settlement." The Space Settlement Institute. N.p., n.d. Web. 4 Oct 2012. <http://www.space-settlement-institute.org/>.

"Space Settlement Nexus." National Space Society. N.p., n.d. Web. 4 Oct 2012. <http://www.nss.org/settlement/>. Hyperion Space Settlement:
Designed for a NASA contest Space Settlement is in orbit instead of the moon or a planet because other planets and moons are too hot, too far away, and/or have no solid surface Earth normal gravity- In space the orbital colonies can rotate to provide the required g level

On Mars or the Moon with their low gravity, children growing up there will not develop bones or muscles strong enough to ever live on Earth There will need to be a rapid resupply from Earth

In orbit there is solar power 24/7 which means continuous reliable energy

Near Earth orbital colonies will be able to service Earth's tourist, energy and material market. Being able to supply the Earth with valuable goods is a way of paying for costly colonization
Materials- launching materials from Earth is very expensive, so bulk materials should come from the Moon (moon has large amounts of oxygen, silicon and metals)

Energy-solar energy is abundant and could become an export item

Transportation- a launch vehicle must be made that doesn't cause harm to the atmosphere

Communication- Most of the current terrestrial communications already pass through satellites

Life Support- on Earth a complex biosphere provides air, water, food and temperature for people to live in, a self sustaining biosphere must be made for space settlements

Radiation Protection- settlements must be surrounded by sufficient mass to absorb incoming radiation caused by solar flares and cosmic rays Growth- allows a huge expansion of humanity without war or destruction of Earth's biosphere

Survival- in case of a large collision with a comet or asteroid (which is inevitable) space settlements must be made to live on when Earth becomes uninhabitable "I know that humans will colonize the solar system and one day go beyond." -Mike Griffin, former NASA Administrator Works Cited Resources The largest asteroid, Ceres, has enough material to build orbital space settlements with a total living area well over a hundred times the land area of the Earth

One smallish asteroid, 3554 Amun, has about $20 trillion worth of metals. There are tens of thousands of asteroids

The energy available for space settlements exceeds 2 billion times the total energy currently used by humanity
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