Knowledge Tree
forward contamination
Also known as: forward contamination requirement
Facts (10)
Sources
Planetary protection: an international concern and responsibility frontiersin.org May 29, 2023 5 facts
referenceThe National Research Council published a report in 2006 regarding the prevention of forward contamination of Mars.
claimThe COSPAR Panel on Planetary Protection develops and promulgates policies and requirements designed to protect against the harmful effects of forward and backward contamination in space missions.
claimThe COSPAR Panel on Planetary Protection (PPP) provides guidance to space agencies on complying with the Outer Space Treaty, specifically regarding the prevention of forward and backward contamination, as referenced by Coustenis et al. (2019b; 2021c).
claimThe National Research Council (NRC) declared in 2006 that Mars should be preserved from forward contamination by Earth-based spacecraft.
claimThe COSPAR Panel on Planetary Protection (PPP) defines forward contamination as the transport of terrestrial microorganisms to space mission destinations, and backward contamination as the release of extraterrestrial material into Earth's biosphere.
Putting the Ethics into Planetary Protection | News | Astrobiology astrobiology.nasa.gov Aug 13, 2018 3 facts
claimBrent Sherwood describes a spacecraft subsystem designed to incinerate non-sterilizable internal components after a mission ends to address forward contamination requirements for missions to environments like Europa.
referenceThe paper 'Forward contamination of ocean worlds: A stakeholder conversation' (doi: 10.1016/j.spacepol.2018.06.005) discusses the risks and stakeholder perspectives regarding forward contamination of ocean worlds.
measurementSubsequent studies on planetary protection have categorized space missions by type (e.g., landers vs. rovers, life-detection capabilities) and target (e.g., potentially life-bearing worlds like Mars or Europa vs. dead worlds like Mercury), typically concluding that a probability of 1-in-10,000 is the most reasonable requirement for forward contamination.
Read "Review and Assessment of Planetary Protection Policy ... nap.nationalacademies.org 2 facts
claimThe origins of planetary protection in the 1950s were rooted in ethical considerations regarding forward and backward contamination, occurring before the establishment of current international policies and laws.
claimNASA defines "forward contamination" as the control of terrestrial microbial contamination associated with robotic space vehicles intended to land, orbit, flyby, or otherwise encounter extraterrestrial solar system bodies.