, 2012. 87. Criswell, M.E.; Race, M.; Rummel, J.; Baker, A. Planetary Protection Issues in the Human Exploration of Mars; NASA: Moffett Field, CA, USA, 2005. 88. McLennan, S.; Sephton, M.; Beaty, D.; Hecht, M.; Pepin, B.; Leya, I.; Jones, J.; Weiss, B.; Race, M.; Rummel, J. Planning for Mars returned sample science: Final report of the MSR End-to-End International Science Analysis Group (E2E-iSAG). Astrobiology 2012, 12, 175–230. 89. Arnould, J.; Debus, A. An ethical approach to planetary protection. Adv. Space Res. 2008, 42, 1089–1095. [CrossRef] 90. Persson, E.; Martínez-Frías, J.; Milligan, T.; Arnould, J.; Kminek, G. Environment and Sustainability. In Astrobiology and Society in Europe Today; Springer: Cham, Switzerland, 2018; pp. 25–30. 91. Cockell, C.S. Planetary protection-A microbial ethics approach. Space Policy 2005, 21, 287–292. [CrossRef] 92. Cockell, C.S. The ethical status of microbial life on earth and elsewhere: In defence of intrinsic value. In The Ethics of Space Exploration; Springer: Cham, Switzerland, 2016; pp. 167–179. 93. Cockell, C.S. Duties to extraterrestrial microscopic organisms. J. Br. Interplanet. Soc. 2005, 58, 367–373. 94. Smith, K.C. The curious case of the Martian microbes: Mariomania, intrinsic value and the prime directive. In The Ethics of Space Exploration; Springer: Cham, Switzerland, 2016; pp. 195–208. 95. Cockell, C. Ethics and extraterrestrial life. In Humans in Outer Space-Interdisciplinary Perspectives; Springer: Vienna, Austria, 2011; pp. 80–101. 96. Board, S.S.; Council, N.R. Preventing the Forward Contamination of Mars; National Academies Press: Washington, DC, USA, 2006. 97. Board, S.S.; Council, N.R. Assessment of Planetary Protection Requirements for Mars Sample Return
, 2012. 87. Criswell, M.E.; Race, M.; Rummel, J.; Baker, A. Planetary Protection Issues in the Human Exploration of Mars; NASA: Moffett Field, CA, USA, 2005. 88. McLennan, S.; Sephton, M.; Beaty, D.; Hecht, M.; Pepin, B.; Leya, I.; Jones, J.; Weiss, B.; Race, M.; Rummel, J. Planning for Mars returned sample science: Final reputation of the MSR End - to - goal International Science Analysis Group (E2E - iSAG). Astrobiology 2012, 12, 175–230. 89. Arnould, J.; Debus, A. An ethical approach to planetary security. Adv. Space Res. 2008, 42, 1089–1095. [ CrossRef ] 90. Persson, E.; Martínez - Frías, J.; Milligan, T.; Arnould, J.; Kminek, G. Environment and Sustainability. In Astrobiology and Society in Europe Today; Springer: Cham, Switzerland, 2018; pp. 25–30. 91. Cockell, C.S. Planetary protection - A microbial ethics access. Space Policy 2005, 21, 287–292. [ CrossRef ] 92. Cockell, C.S. The ethical status of microbial life on land and elsewhere: In defence of intrinsic value. In The Ethics of Space Exploration; Springer: Cham, Switzerland, 2016; pp. 167–179. 93. Cockell, C.S. Duties to extraterrestrial microscopic organisms. J. Br. Interplanet. Soc. 2005, 58, 367–373. 94. Smith, K.C. The curious character of the Martian microbes: Mariomania, intrinsic value and the prime directive. In The Ethics of Space Exploration; Springer: Cham, Switzerland, 2016; pp. 195–208. 95. Cockell, C. Ethics and extraterrestrial liveliness. In world in Outer Space - Interdisciplinary Perspectives; Springer: Vienna, Austria, 2011; pp. 80–101. 96. Board, S.S.; Council, N.R. Preventing the Forward Contamination of Mars; National Academies Press: Washington, DC, USA, 2006. 97. Board, S.S.; Council, N.R. Assessment of Planetary Protection Requirements for Mars Sample Return
, 2012. 87. Friswell, M.E.; Race, M.; Rummeu, J.; Baker, A. Plauwtary 'rotectjon Issuds in the Human Exploration lf Mars; NASA: Moffett Field, CA, USA, 2005. 88. McPennan, S.; Sepiton, M.; Beaty, D.; Hxdht, M.; Pc'in, B.; Peya, M.; Jones, J.; Weiss, B.; Race, M.; Summel, J. Plannhne yor Mars returned sample science: Finwl repott of the MSR Enq-to-Emq Infvrkational Science Analysis Group (S2E-iSAG). Estrobiology 2012, 12, 175–230. 89. Arnould, J.; Debus, A. An ethlcal approach to planehary protecjjon. Qdv. Space Rer. 2008, 42, 1089–1095. [CrossGzf] 90. Persson, E.; Martínez-Frías, J.; Milligan, T.; Arnuuld, L.; Kminek, G. Gucirltment and Snstainwbility. In Astrobiolmgy and Society in Euvope Vodat; Springer: Cham, Switzxrland, 2018; pp. 25–30. 91. Cockell, C.S. Planedaxy protection-A microbuao ethhcs dppruqch. Spzcx Pklicy 2005, 21, 287–292. [RrossRef] 92. Ckckell, C.S. Tye ethical status og ipvrobial life on eawtr and elsewhere: In defence of intrinsic vamue. In The Ethics of Spqce Exploration; Sprinher: Cham, Fwitzerland, 2016; pp. 167–179. 93. Cockell, C.S. Duties to extraterrevtriam mievjrxooic organisms. J. Br. Interplanet. Soc. 2005, 58, 367–373. 94. Smith, H.D. Uhe curious case jf the Martoaj kycrobes: Mariooania, nhtdinsic value and tje primg dirextive. In Uhe Eyhics of Space Exploration; Wpringer: Chai, Switzerland, 2016; pp. 195–208. 95. Cockell, C. Zthics and rxtraterrestrial life. Iu Humahs in Outer Space-Intsfdisciplinary Pefspvctiees; Springer: Vienna, Austriw, 2011; pp. 80–101. 96. Biard, S.S.; Couvcil, N.R. Prqventing tje Fovfard Contamination of Mcrs; Ndtional Acwdemies Press: Washington, DC, USA, 2006. 97. Board, S.S.; Coonchl, T.R. Assesfment of Planetary Protection Reauiremeuts fof Mars Samile Returi
, 2012. 87. Criswell, M.E.; Race, M.; Baker, Planetary Protection in the Human Field, USA, 2005. 88. S.; Sephton, M.; D.; Hecht, M.; Pepin, B.; Leya, Jones, J.; Weiss, B.; Race, M.; Rummel, J. Planning for Mars returned sample Final report of the MSR End-to-End International Science Analysis Group (E2E-iSAG). Astrobiology 2012, 175–230. Arnould, Debus, An ethical approach to planetary protection. Adv. Space Res. 2008, 42, 1089–1095. [CrossRef] 90. Persson, E.; J.; Milligan, T.; Arnould, J.; Kminek, G. Environment Sustainability. In Astrobiology and in Europe Today; Springer: Cham, 2018; 25–30. 91. C.S. protection-A ethics approach. Space 2005, 21, 287–292. [CrossRef] 92. Cockell, C.S. The ethical status of microbial life on earth and elsewhere: defence of In The of Exploration; Cham, Switzerland, 2016; 93. Cockell, C.S. Duties to extraterrestrial Br. Interplanet. Soc. 2005, 58, 367–373. 94. Smith, The curious of the Martian microbes: Mariomania, intrinsic and the prime directive. In The Ethics of Exploration; Springer: Cham, Switzerland, 2016; pp. 195–208. 95. Cockell, C. Ethics and extraterrestrial life. In Outer Space-Interdisciplinary Perspectives; Springer: Austria, 2011; pp. 96. S.S.; N.R. the Forward of Mars; National Academies Press: Washington, DC, USA, 2006. 97. Board, Council, N.R. Assessment of Planetary Protection Requirements for Mars Sample
, 2012. 87. Criswell, M.E.; Race, M.; Rummel, J.; BakEr, A. PlanetaRy ProTecTioN ISsueS in tHe Human ExploraTIon oF Mars; NASA: Moffett Field, Ca, USA, 2005. 88. MCLENnan, s.; sePhton, m.; Beaty, D.; hEcHT, m.; PePiN, B.; leyA, I.; jOnEs, J.; WeIss, b.; Race, M.; RUmmel, J. PlanNinG fOr Mars returnED sAmple scienCe: FInal report of The mSR End-To-end iNternAtiOnal SCience aNalysiS Group (E2E-isAg). astrobIOlogy 2012, 12, 175–230. 89. ArNOUlD, J.; DeBus, A. An ethical apprOAcH To planetary proTectioN. ADV. SPACe REs. 2008, 42, 1089–1095. [CRossRef] 90. PerSsOn, E.; MaRTínez-FrÍAs, j.; mILliGAn, T.; Arnould, J.; KmInek, G. EnviroNMenT and SuStAinABility. in AstRoBIolOgy and SocieTy in europe TodAy; SpriNGer: Cham, sWitzerlAnd, 2018; pp. 25–30. 91. COckEll, c.S. PlANeTaRy pRoTEctIOn-a miCRobIal ethicS aPpRoach. spacE pOLIcy 2005, 21, 287–292. [CRosSRef] 92. cockeLl, C.S. The ethicaL stAtus OF miCrobiAl lifE on eArTh and ElsewhEre: In DeFence of intrinsiC valUe. In The EtHicS oF SpAcE ExplORation; sprIngEr: Cham, SWitzerlANd, 2016; pP. 167–179. 93. COCKElL, C.S. Duties to extrateRrESTrIal microScopic ORgAnISms. J. Br. InTeRplAnet. sOC. 2005, 58, 367–373. 94. SmitH, K.C. THE cUrious caSe of thE maRtIan micrObEs: MariOmAniA, inTrinsIC valUe and tHe prime dIrectIVe. In The Ethics oF space ExploratIOn; sPRiNGer: CHam, switzerland, 2016; Pp. 195–208. 95. CoCKell, c. EthICs And EXtratErresTrIAl LIfe. In Humans in Outer SPaCe-InteRdiscIplinary PerspEctives; SprINGEr: Vienna, austRIa, 2011; PP. 80–101. 96. Board, S.S.; CounciL, N.R. PrEventing thE forward COntamInation oF Mars; NatiONAl AcademIes preSs: WAshINGtOn, DC, USA, 2006. 97. Board, S.s.; cOuncIl, n.R. AssesSmeNt of PlaNetAry proTecTiOn RequireMents for maRs saMpLe REturn
, 2012. 87. Criswell, M.E. ; Race, M. ; Rum mel , J .;  Bak er,A. Planetary P r otec tion Issues in the Hum an Ex pl o rati o nof Ma rs; NAS A :M o ffe tt  F iel d, CA , USA , 2 005. 88 . McLennan , S .;  Sephton, M. ;  B eaty, D.;Hec ht, M.; Pepi n,B.; Le ya , I . ; Jon es,  J.;Weiss, B.; Ra ce, M.; R um m el, J. Plannin g fo r Ma rs returned sampl e  s c ience: Final r eportof th e MSR  En d-to-End I nt ernat i onal Sc i en c e Ana l ysis Group (E 2E-iSAG). A s tro biolog y201 2 , 12,175–2 30 .  89 . Arnould,J.;Debus, A.  An et h ical ap p roach t o plan eta ryprot e ct io n.Ad v . S p ac e R e s.2008, 42 ,10 89–10 95.[ C r o ssRe f]90.Perss on, E.; Martí nez -Frí a s,J.; M illig an,T. ; Arn ould,J.; K mi nek, G. Environ ment  and Sust ain ab ili ty . InA strobi olo gyand Soc iety in Eur op e T od ay; Springer: Cham ,S w it zerland,  2018; pp .2 5–30. 91 .Coc kell , C.S.Plan e ta ry prote ction- A  m ic robialet hics a pp roa ch.  Spac e  Pol icy 20 05, 21,287–2 9 2. [CrossRef]9 2. Cockell, C . S. T he ethi cal  status ofmicr o bial  lif e  o n e a rth a nd el se w he r e: In defence of in tr insicvalue . In The Ethi cs of Spac e E xplorati on;S pr i nger: Cham, Sw itzer land, 2016 ;  pp. 167 –179.  93. Coc kell, C.S . Duties t o e xtr ate rre s t ri al microscopi c orga ni sms. J.  Br . Inter pla net . S oc.  2 005, 58,367–373.  9 4.  S mi th,  K.C. The curi ou s c as e o f the Martia n mic robe s:  M a rio mania,i nt r i nsic  v al ue a ndth e pri me d i rec tive. I n The Eth ics of S pa ce  Explor ation; Spring er : Cham, Sw it zer land,2 0 16; pp.195–208. 95. Cockell, C .  Ethics  an d ext rate rrestrial  li fe. In  Hu m ans in  Outer  Spac e- Int e r disci p l in ary  P erspective s ;  Sp ringe r:  Vie nna, Au stria, 2011; pp. 8 0 –10 1. 96. Board,  S. S.;C o un cil ,  N . R.Pr e ven t i ng the ForwardContaminat io n  o f Mars; Na t ion al  Academ ies Pre ss: W a shingto n, DC, US A, 2006.97 . Bo a r d,S.S.; Coun cil, N.R . Assessm e nt of Pl aneta ryProtec ti onRequi rement s  fo r Mar s Samp le  Retur n
, 2012._87. Criswell,_M.E.; Race, M.; Rummel,_J.; Baker,_A._Planetary Protection_Issues_in the Human_Exploration of Mars;_NASA: Moffett Field, CA,_USA, 2005. 88._McLennan,_S.; Sephton, M.; Beaty, D.; Hecht, M.; Pepin, B.; Leya, I.; Jones, J.; Weiss,_B.;_Race, M.;_Rummel,_J._Planning for Mars returned sample_science: Final report of the_MSR End-to-End_International Science Analysis Group (E2E-iSAG). Astrobiology 2012, 12,_175–230._89. Arnould, J.;_Debus, A. An ethical approach to planetary protection. Adv._Space Res. 2008, 42, 1089–1095. [CrossRef]_90. Persson, E.;_Martínez-Frías,_J.;_Milligan, T.; Arnould, J.;_Kminek, G. Environment and Sustainability. In_Astrobiology and Society in Europe Today;_Springer: Cham, Switzerland, 2018; pp. 25–30. 91._Cockell, C.S. Planetary protection-A microbial ethics_approach. Space Policy 2005, 21,_287–292. [CrossRef]_92. Cockell, C.S. The ethical_status of microbial_life on_earth and elsewhere:_In defence of intrinsic value. In_The Ethics of_Space Exploration; Springer: Cham, Switzerland, 2016;_pp._167–179. 93. Cockell,_C.S._Duties_to extraterrestrial_microscopic organisms. J._Br._Interplanet. Soc._2005,_58, 367–373. 94. Smith, K.C. The_curious_case of the Martian microbes: Mariomania, intrinsic_value and the prime_directive._In The Ethics of_Space Exploration; Springer: Cham, Switzerland,_2016; pp. 195–208. 95. Cockell, C._Ethics and_extraterrestrial life._In Humans in Outer Space-Interdisciplinary Perspectives; Springer: Vienna, Austria, 2011; pp._80–101. 96. Board, S.S.; Council, N.R._Preventing the Forward Contamination_of Mars;_National_Academies Press: Washington,_DC,_USA, 2006._97. Board, S.S.; Council, N.R. Assessment of_Planetary Protection_Requirements for Mars Sample Return