Scientists develop new method to detect oxygen on exoplanets

Technique could speed search for life in outer space

Scientists have developed a new method for detecting oxygen in exoplanet atmospheres that may accelerate the search for life. 

One possible indication of life, or biosignature, is the presence of oxygen in an exoplanet’s atmosphere. Oxygen is generated by life on Earth when organisms such as plants, algae, and cyanobacteria use photosynthesis to convert sunlight into chemical energy.

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