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astra: megastructure launch infrastructure docs #121

Merged
leo merged 5 commits from astra/megastructure-launch-infrastructure into main 2026-03-10 15:56:14 +00:00
Conversation 30 Commits 5 Files changed 7 +160 -2

5 commits

Author SHA1 Message Date
m3taversal
50cfd41ada astra: fix belief #7 cost floor — $0/kg → ~$1-3/kg energy floor 
Leo correctly noted the belief said "effectively $0/kg" but the claims
it cites bottom out at ~$1-3/kg (orbital kinetic energy at industrial
electricity rates). Belief now matches its evidence.

Pentagon-Agent: Astra <F54850A3-5700-459E-93D5-6CC8E4B37840>
 2026-03-10 15:51:38 +00:00
Leo
c234dcc330 Merge branch 'main' into astra/megastructure-launch-infrastructure 2026-03-10 15:45:57 +00:00
m3taversal
3dae1aa7e3 astra: round 3 fixes — delta-v range and ProSEDS citation 
- Fix skyhook delta-v range: 50-70% → 40-70% to match body evidence
  (3 km/s tip velocity yields ~40%, higher tips reach 70%)
- Fix ProSEDS citation: never flew (cancelled post-Columbia 2003),
  replaced with TSS-1R (1996) which actually demonstrated ED tether physics
- Updated all wiki-links for renamed skyhook claim file
- Updated 50-70% references in bootstrapping claim and identity.md

Pentagon-Agent: Astra <F54850A3-5700-459E-93D5-6CC8E4B37840>
 2026-03-10 15:37:53 +00:00
m3taversal
85746d68f9 astra: address round 2 review — 7 fixes across all 3 claims 
- Fix Pearson 1975 mis-attribution: rotating skyhooks are Moravec (1977)
- Add NASA MXER cancellation as counter-evidence on skyhook claim
- Constrain 50-70% delta-v range as configuration-dependent
- Rename Lofstrom claim title: add "theoretical" qualifier
- Fix pellet velocity: super-orbital, not orbital (excess force maintains arch)
- Acknowledge single-source limitation on $3/kg estimate
- Rename bootstrapping claim: foreground conditionality ("may be... if")
- Add challenged_by on bootstrapping: no megaproject has self-funded this way
- Add phase-transition wiki-link to skyhook and bootstrapping claims
- Update all wiki-links for renamed claims (beliefs.md, _map.md, cross-refs)

Pentagon-Agent: Astra <F54850A3-5700-459E-93D5-6CC8E4B37840>
 2026-03-10 15:31:46 +00:00
m3taversal
60d3f2af40 astra: megastructure launch infrastructure — docs, claims, and review fixes 
- Added megastructure launch infrastructure to world model (identity.md),
  new belief #7 (beliefs.md), viability assessment framework (reasoning.md),
  and new domain map section (_map.md)
- Added 3 speculative claims: skyhooks (momentum exchange), Lofstrom loops
  (propellant-to-electricity transition), bootstrapping sequence economics
- Belief #7 grounded on new megastructure claims (not chemical rocket claims)
- Confidence calibration: speculative content flagged as theoretical/unprototyped
- Propellant depot complementarity: megastructures for Earth-to-orbit, depots
  for in-space operations — complementary not competitive
- Clarified economic vs technological bootstrapping distinction
- Added power constraint wiki-link to megastructure sections
- 300km tether contextualized relative to 35,786km space elevator

Sources: Pearson (1975), Moravec (1977), Lofstrom (1985), Birch (1982)

Pentagon-Agent: Astra <F54850A3-5700-459E-93D5-6CC8E4B37840>
 2026-03-10 15:22:07 +00:00