User:Diamond Blizzard/Books/On the Possibilities for Alien Life

On the Possibilities for Alien Life

 * What might aliens be like?
 * Extraterrestrial life
 * Astrobiology
 * Hypothetical types of biochemistry
 * Nucleic acid analogue
 * Xeno nucleic acid


 * How and where might aliens form?
 * Abiogenesis
 * Planetary habitability
 * List of potentially habitable exoplanets
 * Habitability of natural satellites
 * Habitability of red dwarf systems
 * Habitability of binary star systems
 * Habitability of K-type main-sequence star systems


 * Why haven't we found any?
 * Fermi paradox
 * Search for extraterrestrial intelligence