#exoplanets

A wide instrument-calibration floor with three benches receding along it: a reflux flask over a water bath in the foreground, a rover sampling arm and turret at mid-distance, and an echelle spectrograph bench with a lit calibration lamp furthest back

Comparing the Main Approaches to Origins of Life and Astrobiology

Flask chemistry, rover geochemistry, and exoplanet spectroscopy all study whether life happens twice, but they trade directness for reach in different amounts and none of them can stand in for the others.

By Brecht Corbeel · September 2, 2026 · 14 min read

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