Researchers discovered evidence of the amino acid tryptophan in the interstellar material of the IC348 star system using data from the Spitzer Space Observatory. This finding suggests that protein-building amino acids are prevalent in areas where stars and planets develop, hinting at the potential for life in exoplanetary systems.
Tryptophan has been detected in space. Credit: Jorge Rebolo-Iglesias. Background image: NASA/Spitzer Space Telescope Amino acids are commonly found in meteorites and were present during the formation of our Solar System. This new work could indicate that these protein-building agents — that are key to the development of life — exist naturally in the regions where stars and planetary systems form, and may contribute to the early chemistry of planetary systems around other stars.
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