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Title: Atmosphere as Sign of Life
Primary Author: Oleksandr Potashko
Secondary Author(s): N/A
Institution: SF ''Fractal''
Summary: Is there a feature of presence of life on a macro-level? Could we say something about life on Neptune or on Halley’s Comet or on an exoplanet? Let’s consider that sign of life is an atmosphere. Let''s consider crustal planet. Whether planet has an atmosphere we may say that it is alive in geologi
Panel Selection: Inner Planets: Mercury, Venus, and the Moon.
Mars: Not Phobos and Deimos.
Giant Planets: Jupiter, Saturn, Uranus, Neptune, and exoplanets, including rings and magnetic fields, but not their satellites.
Satellites: Galilean satellites, Titan, and the other satellites of the giant planets.
Primitive Bodies: Asteroids, comets, Phobos, Deimos, Pluto/Charon and other Kuiper belt objects, meteorites, and interplanetary dust.
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These documents have been prepared in coordination with the National Academies of Science in support of the National Academies Planetary Science Decadal Survey. These documents are being made available for information purposes only, and any views and opinions expressed herein do not necessarily state or reflect those of NASA, JPL, or the California Institute of Technology.