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Life, Unbounded

Exomoons Can Spoof Exoplanet Biosignatures

earth-titan.001

Astronomers hope that one day soon we’ll obtain a spectrum of light that might tell us whether or not an Earth-sized exoplanet harbors life. This spectrum could be of starlight filtered through the planetary atmosphere, or of reflected and emitted radiation. In either case it would probe the chemical composition of an alien world. The [...]

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