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・ Biological material
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Biological Oxidant and Life Detection
・ Biological oxidizer
・ Biological pacemaker
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Biological Oxidant and Life Detection : ウィキペディア英語版
Biological Oxidant and Life Detection

The Biological Oxidant and Life Detection (BOLD) is a concept mission to Mars focused on searching for evidence or biosignatures of microscopic life on Mars. The BOLD mission objective would be to quantify the amount of hydrogen peroxide () existing in the Martian soil and to test for processes typically associated with life. Six landing packages are projected to impact 'softly' on Mars that include a limited power supply, a set of oxidant and life detection experiments, and a transmitter, which is able to transmit information via an existing Mars orbiter back to Earth. The mission was first proposed in 2012.〔(The Biological Oxidant and Life Detection (BOLD) Mission: A Proposal for a Mission to Mars ). ''Concepts and Approaches for Mars Exploration (2012)''〕
== Overview ==
The Viking program to Mars was the only mission to date that conducted life-detection experiments. It revealed ambiguous and still controversial results. The mission proponents argue that new findings and hypotheses urge a re-evaluation of the Viking results and a re-evaluation of
the evidence for the possible presence of life on Mars in general.〔 Recent and current missions to be launched focus on habitability considerations (e.g., Phoenix, Mars Science Laboratory), but shy away from directly testing for life on Mars, with the potential exception of the ESA ExoMars mission.
The BOLD mission is designed to be less expensive than most current Mars missions as it consists only of a carrier vehicle with 6 probes attached. No orbiter is assumed. Instead the probes take advantage of existing Mars orbiters for communications relay. The number of probes is intended to provide a certain degree of mission redundancy in case some of them do not land successfully or fail.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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