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Space and Resource Updates
Economics of Space Infrastructure
• Why space? What justifies the infrastructure costs?
• Proposal is for mining on moon
   – Why not going straight to near earth asteroids?
      • Using astronauts, robots, what?
• Argument from Resource Shortage
   – But see Mining Ocean Floor
   – Can bring resources back at about $2600 / kg.
      • Many rare earths in $10,000 - $40,000 / kg range
• Cheaper launch FRETOS
   – Tether for assembly of packages at L1 for lunar insertion
FRETOS
• Reusable Earth to Orbit Stage FRETOS combined with
  Tether Upper Stage TUS
• Subsonic aircraft release w/ rocket boost at 12.6 km
• To 2100 km tether for insertion into orbit of 13 ton payload
   – Basically a rotovator which we talked about back in May
• Up to 1000 launches per year
   – (5 launchers and 4 tethers)
   – Note this gives a total not much greater than one SBSP system
     so most things must be mined/built in space
Space update and resources
Space update and resources
Mining Ocean Floor
• Enough deposits of many key resources to last for
  many centuries at current rate
   – Volcanic vents deposit sulfur solubles basically
      • Includes gold, zinc, several rare earths
• Nautilus is 1st company exploiting this
   – Expect $26/kg production cost for up to $10,000/kg
     resource
   – Solawara project
   – Russian based owership
Solawara Project
• US $70/ton production cost for resources
  valued at over $1000/ton on market
• $400 million in equipment cost raised
• Environmental permits granted
• Full scale mining of 1.2 million tons / yr
• 30 month build out schedule
• Equipment either existing or straightforward
  adaptation
Space update and resources
Nemesis is real (sort of..)
• Hypothetical red or brown dwarf beyond Oort
  cloud
• Analysis of century worth of comet data suggests
  a Jupiter sized object at edge of solar system
• Sends about 20% of all comets visible from earth
• Called Tyche
  – An object like Tyche could be seen directly by WISE,
    NASA’s infrared space telescope.
Space update and resources
Nuclear Launch Gun
•   150 kiloton nuclear Jules Verne gun
•   Kilometers deeps shaft, salt is easiest
•   Build giant shell containing payload
•   Set of guide rails around perimeter
•   Pump in reaction mass and small nuclear bomb.
•   Can fire 1000 ton payloads at less that $200/kg
•   Putting the entire thing underwater and deep in pit
    ensures very little radiation to atmosphere
    – Best version puts no more than 1/300000 of debris in air
      as one 300 kiloton weapon test
SpaceX success
• Dec 8 successful launch
  – Dragon capsule to orbit and successful
    splashdown
• SpaceX cleared for commercial launches and
  re-entry
• Mission to ISS is being planned.
• Volunteer astronauts lining up

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Space update and resources

  • 2. Economics of Space Infrastructure • Why space? What justifies the infrastructure costs? • Proposal is for mining on moon – Why not going straight to near earth asteroids? • Using astronauts, robots, what? • Argument from Resource Shortage – But see Mining Ocean Floor – Can bring resources back at about $2600 / kg. • Many rare earths in $10,000 - $40,000 / kg range • Cheaper launch FRETOS – Tether for assembly of packages at L1 for lunar insertion
  • 3. FRETOS • Reusable Earth to Orbit Stage FRETOS combined with Tether Upper Stage TUS • Subsonic aircraft release w/ rocket boost at 12.6 km • To 2100 km tether for insertion into orbit of 13 ton payload – Basically a rotovator which we talked about back in May • Up to 1000 launches per year – (5 launchers and 4 tethers) – Note this gives a total not much greater than one SBSP system so most things must be mined/built in space
  • 6. Mining Ocean Floor • Enough deposits of many key resources to last for many centuries at current rate – Volcanic vents deposit sulfur solubles basically • Includes gold, zinc, several rare earths • Nautilus is 1st company exploiting this – Expect $26/kg production cost for up to $10,000/kg resource – Solawara project – Russian based owership
  • 7. Solawara Project • US $70/ton production cost for resources valued at over $1000/ton on market • $400 million in equipment cost raised • Environmental permits granted • Full scale mining of 1.2 million tons / yr • 30 month build out schedule • Equipment either existing or straightforward adaptation
  • 9. Nemesis is real (sort of..) • Hypothetical red or brown dwarf beyond Oort cloud • Analysis of century worth of comet data suggests a Jupiter sized object at edge of solar system • Sends about 20% of all comets visible from earth • Called Tyche – An object like Tyche could be seen directly by WISE, NASA’s infrared space telescope.
  • 11. Nuclear Launch Gun • 150 kiloton nuclear Jules Verne gun • Kilometers deeps shaft, salt is easiest • Build giant shell containing payload • Set of guide rails around perimeter • Pump in reaction mass and small nuclear bomb. • Can fire 1000 ton payloads at less that $200/kg • Putting the entire thing underwater and deep in pit ensures very little radiation to atmosphere – Best version puts no more than 1/300000 of debris in air as one 300 kiloton weapon test
  • 12. SpaceX success • Dec 8 successful launch – Dragon capsule to orbit and successful splashdown • SpaceX cleared for commercial launches and re-entry • Mission to ISS is being planned. • Volunteer astronauts lining up

Editor's Notes

  • #3: http://www.centauri-dreams.org/?p=15633-