Tuesday, July 1, 2025

Titan is the Perfect Benchmark for Studying Exoplanet Atmospheres

A composite image of Saturn's moon Titan taken by the Cassini spacecraft. NASA

While we know of thousands of exoplanets, the science of studying their atmospheres is still in its early days. When astronomers analyze atmospheres, they have to decide which molecules to include in their models, which can bias the results. A new paper proposes that Cassini data on Titan could provide the perfect benchmark, helping to distinguish between different hydrocarbons detected in the atmosphere of an exoplanet.



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