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Marine Science Can Contribute to the Search for Extra-Terrestrial Life.

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Area of Science:

  • Astrobiology
  • Marine Science
  • Planetary Science

Background:

  • Earth's oceans are a likely origin of life.
  • Exo-oceans are prime targets for extraterrestrial life detection.
  • Interdisciplinary approaches are crucial for astrobiology.

Purpose of the Study:

  • To survey astrobiology literature for emerging trends.
  • To identify synergies between astrobiology and marine science.
  • To guide future exploration of exo-oceans.

Main Methods:

  • Data-driven bibliographic survey of astrobiology literature.
  • Analysis of published items since 1963.
  • Keyword analysis to identify research themes.

Main Results:

  • Literature clusters around Mars exploration, Solar System icy moons, and planetary habitability parameters.
  • Prominent keywords include extremophiles, biosignatures, ice planets, and water-based oceans.
  • Identified three key research groups focusing on terrestrial proxies, extended habitable zones, and planetary conditions.

Conclusions:

  • Astrobiology research is increasingly focused on ocean worlds.
  • Synergies with marine science can advance the search for extraterrestrial life.
  • Future research should integrate planetary science, astrobiology, and marine biology.