title: [Anthropogenic sources of radiation hazard in the near-Earth space].
abstract: All plausible artificial radioactive sources entering the near-Earth space (NES) were systematized and consequences of various large radiation accidents and catastrophes to Earth and NES were analyzed. Aggressive "population" of near-Earth orbits by space stations with rotating crews, unmanned research platforms and observatories extends "borderlines" of the noosphere raising at the same time concerns about the noosphere radiation safety and global radioecology. Specifically, consideration is given to the facts of negative effects of space power reactor facilities on results of orbital astrophysical investigations.
authors.forename: G A
authors.initials: GA
authors.lastname: Fedoseev
mesh_terms: D003359:Cosmic Radiation / Q000009:adverse effects*; D018534:Earth, Planet; D005118:Extraterrestrial Environment; D015386:Hazardous Substances / Q000009:adverse effects*; D006801:Humans; D015233:Models, Statistical; D016081:Moon; D011829:Radiation Dosage; D011834:Radiation Monitoring / Q000295:instrumentation; D011835:Radiation Protection; D018788:Radioactive Hazard Release; D011874:Radiometry; D019445:Solar Activity; D013026:Space Flight / Q000295:instrumentation*
chemical_list: D015386:Hazardous Substances