Astronomical PhenomenaCosmic RadiationAstronomyExobiologyEvolution, PlanetarySolar ActivitySporesExtraterrestrial EnvironmentSpores, BacterialSpores, FungalSpores, ProtozoanPicolinic AcidsBacillus subtilisBacillus megateriumBacillus anthracisBacillus cereusBacillusHot TemperatureAnthraxClostridium botulinumBacterial ProteinsClostridium perfringensAir MicrobiologySterilizationEncephalitozoonMicrosporidiaMicrosporidiosisEncephalitozoon cuniculiCulture MediaMicrobial ViabilityProtozoan Infections, AnimalFernsEncephalitozoonosisDictyosteliumClostridiumFood PreservationFungiStachybotrys