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Published on: January 21, 2014
The maintenance of ambiguity in Martian exobiology
1Princeton University, Princeton, NJ, USA.
Abstract:
How do scientists maintain their research programs in the face of not finding anything? Continual failure to produce results can result in declining support, scientific controversy and credibility challenges. We elaborate on a crucial mechanism for sustaining the credibility of research programs through periods of non-detection: the maintenance of ambiguity. By this, we refer to scientific strategies that resist closure or an experiment's premature end by creating doubt in negative findings and fostering hope for future positive results. To illustrate this concept, we draw upon the recent history of Martian exobiology. Since the 1960s, planetary scientists have continually tried and failed to find evidence of life on Mars. And yet, interest in extraterrestrial life detection remains high, with more missions to Mars underway. Through three destabilizing events of non-detection, we show how exobiologists sustained the search for Martian life by casting doubt on negative findings, pointing to other possible unexplored routes to success, and finally reconfiguring operations around new methods or goals. New approaches may take the form of shifts in scale, method and object of interest. By pivoting to a different scale, method or object, exobiologists have continued to study a subject continually lacking proof of existence and made important discoveries about life on Earth.
Insights
Scientists sustain research by maintaining ambiguity, casting doubt on negative findings and fostering hope for future success. This strategy keeps programs credible despite a lack of definitive results, as seen in the search for extraterrestrial life.
Area of Science:
- Astrobiology
- Planetary Science
- Philosophy of Science
Background:
- Research programs face credibility challenges and declining support due to continual failure to produce results.
- Sustaining scientific inquiry through periods of non-detection is crucial for long-term progress.
Purpose of the Study:
- To elaborate on the mechanism of maintaining ambiguity as a strategy for sustaining research credibility.
- To illustrate how scientific ambiguity is maintained using the historical example of Martian exobiology.
Main Methods:
- Analysis of historical events in Martian exobiology research.
- Examination of strategies used to cast doubt on negative findings and foster hope for future positive results.
- Identification of how shifts in scale, method, and object of interest sustain research programs.
Main Results:
- The search for extraterrestrial life on Mars has persisted since the 1960s despite consistent non-detection of evidence.
- Exobiologists sustained the search by challenging negative findings and exploring new research avenues.
- Pivoting to different scales, methods, or objects of interest allowed for continued study and discovery.
Conclusions:
- Maintaining ambiguity is a key strategy for sustaining research credibility during periods of non-detection.
- The history of Martian exobiology demonstrates the successful application of ambiguity maintenance.
- This strategy enables continued scientific exploration and discovery even in the absence of definitive proof.
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