Viroids-First—A Model for Life on Earth, Mars and Exoplanets
The search for extraterrestrial life, recently fueled by the discovery of exoplanets, requires defined biosignatures. Current biomarkers include those of extremophilic organisms, typically archaea. Yet these cellular organisms are highly complex, which makes it unlikely that similar life forms evolv...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-05-01
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Series: | Geosciences |
Subjects: | |
Online Access: | https://www.mdpi.com/2076-3263/9/5/241 |