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From Planetary Quarantine to Planetary Protection: A NASA and International Story.
1SETI Institute, Mountain View, California.
Astrobiology
|January 30, 2019
Summary
The terminology for preventing extraterrestrial contamination evolved from "planetary quarantine" to "planetary protection" within the early Space Age. This shift addressed concerns and improved clarity in space exploration policy.
Area of Science:
- Space Policy
- Astrobiology
- Planetary Science
Background:
- The concept of preventing biological contamination of other planets and Earth's biosphere emerged with the Space Age in the late 1950s.
- Early space exploration necessitated protocols to manage potential extraterrestrial life and its return to Earth.
Observation:
- The term "planetary quarantine" was adopted in the first decade of the Space Age to describe these contamination avoidance measures.
- This initial terminology, while descriptive, carried unintended negative connotations.
Findings:
- The term "planetary quarantine" was later replaced by "planetary protection" to mitigate conceptual baggage.
- This evolution in nomenclature reflects the developing understanding and communication within the spaceflight community.
Implications:
- The shift to "planetary protection" offers a clearer and less problematic framework for international space policy.
- Understanding the history of this terminology is crucial for current and future space exploration endeavors.
- This linguistic evolution aids in public and scientific discourse surrounding extraterrestrial contamination concerns.
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