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Technique · Measurement, Data & Statistics

Error Analysis & Calibration

The discipline that makes a number science: calibrating instruments against known standards, tying measurements to common reference frames, propagating uncertainties, and stating the statistical confidence of a result. In astronomy, a measurement without an error bar is not a measurement.

Measurement, Data & StatisticsMeasures: The reliability of a measurement

Highlights

  • A measurement without an error bar is not a measurement

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.