Flourishes in
has
Is based on our understanding of
Calls For
Requires Attention to
In
using
From
requires
requires
pursues of a goal
Support
From where there is
Would have needed
Include
Can
in
Represents an
Might have evolved in
Require
Would Likely be
Might leave
May Hold
Might exist in

Search for life, Past or present.

Astrobiology

Analysis of Samples

Acquisition of samples

Subsurface

Surface

meteorites

Mars

Earth

Robotic Instruments

Astronaut laboratory

Planetary Protection

Where to search

Search/Site Selection Strategy

what to search

Life on Earth

Essential Requirements

Extreme Environments

Extinct Life

Extant Life

Micro fossils and/or fossil chemical signature

Micro Organisms

Atmospheric composition

Meteorites from mars

Sedimentary Evaporate, or Hydro thermal Deposits

Early, Earth like environments

Liquid Water

Preserve Organic Molecules & Cellular Structues

Rapidly Incorporate Microbes

Energy

Bio genetic Elements: C,H,N,O,P,S

Sub Surface Martian Enviorment