ASTRONOMICAL SEARCHES FOR EARTH-LIKE PLANETS AND SIGNS OF LIFE
@article{Woolf1998ASTRONOMICALSF,
title={ASTRONOMICAL SEARCHES FOR EARTH-LIKE PLANETS AND SIGNS OF LIFE},
author={N. Woolf and J. Angel},
journal={Annual Review of Astronomy and Astrophysics},
year={1998},
volume={36},
pages={507-537}
}▪ Abstract If Earth-like planets orbit nearby stars, they could be detectable with specially designed telescopes. Direct observations would be very revealing, particularly low resolution infrared spectra, which could establish habitability on the basis of temperature and atmospheric water. Abundant, primitive life based on organized molecular structure might reveal itself, as on Earth, by an atmospheric composition modified in ways unlikely to be from inorganic processes. The technical… CONTINUE READING
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