Search for Evidence of Life, past or present

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Atmospheric composition

rapidly incorporate microbes

Sedimentary evaporite or hypothalami deposits

preserve organic molecules and organic structure

Early earth like environments

extreme environments

sub-surface Martian environment

liquid water

energy

what to search for

life on earth

essential requirements

Biogenic elements C, H, N, O, P, S

extinct life

Microfossils and/or Fossil chemical signature

Meteorites from mars

micro- organisms

extant life

Search/site selection strategy

How to search

Where to search

Earth

Meteorites

Surface

Acquisition of samples

Subsurface

Search for Evidence of Life, past or present

Analysis of samples

Mars

Planetary Protection

Astronaut lab.

Robotic Instuments

Astrobiolagy