observational

1. Relating to observation, especially scientific observation.

   Beobachtungs-, Wahrnehmungs-

   relying on observation or experiment

1. The documentary is purely observational and critics say it avoids being didactic, helping to broaden its appeal.

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2. I read the article "Exoplanet Biosignatures: Observational Prospects."

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3. Brahe invented many instruments such as the Tyconian Quadrant which were widely copied and led to the invention of improved observational equipment.

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regular