2. Artificial Gravity Published papers and software for artificial-gravity habitat design, plus links to other relevant sites. visit site
3. Terraforming planets This site provides equations which allow us to better assess: the viability of terraforming; the requirements to terraform and; the sustainability of ... visit site
5. Astroecology: Resources for Life in Space Experiments with meteorites showed that asteroids and comets contain nutrients similar to fertile soils, on which microorganisms, algae and plants gro... visit site