# Non-fiction Interstellar Studies
## [[Interstellar Travel: Purpose and Motivations]]
- Author:: Les Johnson (ed.)
- Year:: 2023
- Tech level:: Near-future extrapolated; within or just beyond current engineering
- Propulsion model:: Chemical rockets; nuclear thermal; fusion; beamed sails; advanced electric
- Human-factors focus:: Crew health over decades; radiation; psychology of ultra-long missions
- Societal themes:: Ethics of seeding life; civilizational priorities; cost vs. benefit of interstellar efforts
## [[Deep Space Probes: To the Outer Solar System and Beyond]]
- Author:: Gregory L. Matloff
- Year:: 2005
- Tech level:: Current and near-term robotic mission tech
- Propulsion model:: Gravity assists; ion drives; solar sails; beamed propulsion concepts
- Human-factors focus:: N/A (robotic focus; indirect constraints for humans)
- Societal themes:: Long-timescale projects; robotic precursors to human expansion
## [[Living Off the Land in Space: Green Roads to the Cosmos]]
- Author:: Gregory Matloff; Les Johnson; C. Bangs
- Year:: 2007
- Tech level:: Near- to mid-future interplanetary infrastructure
- Propulsion model:: Solar sails; tethers; high-ISP electric and nuclear options
- Human-factors focus:: Life support enabled by in-situ resources; environmental sustainability
- Societal themes:: Resource-based expansion; ecological impact of a spacefaring civilization
## [[The High Frontier: Human Colonies in Space]]
- Author:: Gerard K. O’Neill
- Year:: 1976
- Tech level:: Extrapolated 20th‑century engineering
- Propulsion model:: Chemical and nuclear for in‑system transport; mass drivers for launch
- Human-factors focus:: Rotating habitats and 1g; everyday life in large cylinders
- Societal themes:: Post-scarcity industrial solar system; political and economic reconfiguration
## [[Emigrating Beyond Earth: Human Adaptation and Space Colonization]]
- Author:: Cameron M. Smith; Evan T. Davies
- Year:: 2012
- Tech level:: Near‑future biology and anthropology
- Propulsion model:: Unspecified / generic; focus on destination life rather than vehicles
- Human-factors focus:: Evolution, genetics, small populations, cultural continuity
- Societal themes:: Ethics of colonization; long‑term human change; survival strategies
## [[Pale Blue Dot]] (and related Sagan works)
- Author:: Carl Sagan
- Year:: 1994
- Tech level:: Late‑20th‑century spaceflight; near-term extrapolation
- Propulsion model:: Chemical; nuclear; early solar sail and fusion concepts
- Human-factors focus:: Human meaning and perspective in a cosmic setting
- Societal themes:: Stewardship of Earth; robots vs. humans; philosophical justification for exploration
## [[The Case for Mars / similar]]
- Author:: Robert Zubrin
- Year:: 1996
- Tech level:: Near‑term Mars mission architecture
- Propulsion model:: Chemical with aggressive in‑situ resource utilization
- Human-factors focus:: Closed habitats on Mars; partial‑g life; mission risk
- Societal themes:: Frontier ethos; national vs. species‑level projects; economics of colonization