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Astronomy · L3 · Habitable Zones & the Search for Life · flowchart

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by @openstemUpdated Astronomy
Telescope observes an exoplanet's atmosphereStarlight passing through the atmosphere is split into a spectrumGases present are identified from absorption linesUnstable combination present, e.g. oxygen + methane together?Flagged as a possible biosignatureNo biosignature detected — not evidence against life, just inconclusiveYesNo

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