Earth’s chemical fingerprint could help identify habitable exoplanets

Canadian astronomers at McGill University, using satellite data collected over the past decade, have come up with a spectral “fingerprint” of Earth that could be compared to atmospheric signatures from exoplanet transits to help determine their ability to support life.
Read more: https://astronomynow.com/2019/08/29/earths-chemical-fingerprint-could-help-identify-habitable-exoplanets/?source=Snapzu