US EditionNew Study Complicates the Search for Alien Oxygen
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2 Articles
New Study Complicates the Search for Alien Oxygen
Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance because it is produced by biological synthesis. But that might not be the case on other planets, so even if we do find a very clear high oxygen signal in the atmosphere of an exoplanet, it might not be a clear indication that life exists there. A new paper, available in pre-print on arXiv, from Margaret Turcotte Seavey and a…
Oxygen has been, to date, the most crucial gas in our search for life in the cosmos. On Earth, it is abundant due to biological synthesis. However, this premise may not apply to other planets, raising the question that a signal of high oxygen concentration in an exoplanet's atmosphere may not be an unequivocal indication of life. A new paper, available in preprint on arXiv, by Margaret Turcotte Seavey and a team of researchers from NASA Goddard …
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