FACTOID # 136: Nauru, Tokelau and Western Sahara are the only three countries without official capital cities.
 
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Encyclopedia > Deorbit
Planetary orbit

  Results from FactBites:
 
Space elevator - Facts, Information, and Encyclopedia Reference article (7878 words)
More conventional and faster reentry techniques such as aerobraking might be employed on the way down to minimize radiation exposure.
Deorbit burns use relatively little fuel, and so can be cheap.
To shield cargo and passengers from the radiation in the Van Allen Belt, perhaps counterintuitively, material composed of light elements should be used, as opposed to lead shielding.
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