カテゴリー 全て - elements - strategy - water - life

によって Leonardo Cabrera 4年前.

117

Search/Site Selection Strategy

Understanding the search for evidence of life on Mars involves key strategies derived from our knowledge of life on Earth. Life, whether extinct or extant, has certain biogenic element requirements such as carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur.

Search/Site Selection Strategy

requires we know

Search For Evidence of Life, Past, or Present

HOW to Search

WHERE to Search

calls for

would likely be

Micro- organisms

require
Liquid Water

Include

Biogenic Elements: C,H,N,O,P,S

Energy

flourishes in

Life on Earth

is based on our understanding ofu

WHAT to Search for

has

Essential Require- ments

Sub-surface Martian Environment

may hold

Search/Site Selection Strategy

Search/site selection strategy

for

Extinct Life
Extant Life
Might exist in

Extreme Environ- ment

represents an