Technology »  Topic »  Signs of life: New field guide aids astronomers' search

Signs of life: New field guide aids astronomers' search


A Cornell University senior has come up with a way to discern life on exoplanets loitering in other cosmic neighborhoods: a spectral field guide.

Zifan Lin has developed high-resolution spectral models and scenarios for two exoplanets that may harbor life: Proxima b, in the habitable zone of our nearest neighbor Proxima Centauri; and Trappist-1e, one of three possible Earth-like exoplanet candidates in the Trappist-1 system.

The paper, co-authored with Lisa Kaltenegger, associate professor of astronomy and director of Cornell's Carl Sagan Institute, published in Monthly Notices of the Royal Astronomical Society.

"In order to investigate whether there are signs ...


Read the full text sciencedaily