RISTRETTO: ExoplanetRISTRETTO: ExoplanetObservation Toolpotential life signs.New instrument targets planets forEarth and Planetary AstrophysicsRISTRETTO: A New Tool for Exoplanet ResearchRISTRETTO aims to study exoplanet atmospheres, focusing on Proxima b and others.2025-06-14T12:38:03+00:00 ― 5 min read