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Dimensions of Life Definitions

Emily C. Parke

in Social and Conceptual Issues in Astrobiology

Published in print:
2020
Published Online:
June 2020
ISBN:
9780190915650
eISBN:
9780197506066
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190915650.003.0005
Subject:
Biology, Bioethics

This chapter argues that the concept of “life” is used in several rather distinct ways: sometimes as an all-or-nothing phenomenon and other times as a matter of degree; sometimes referring to ... More


One Step Short of Life

Karel Schrijver

in One of Ten Billion Earths: How we Learn about our Planet's Past and Future from Distant Exoplanets

Published in print:
2018
Published Online:
July 2018
ISBN:
9780198799894
eISBN:
9780191864865
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198799894.003.0002
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics, History of Physics

This chapter briefly reviews some the challenges encountered in the search for extraterrestrial life. So far, no signs of extraterrestrial life have been found. The search started with radio ... More


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