Philosophy of science

Measurement Uncertainty

Every astronomical measurement carries an uncertainty — statistical scatter and systematic error — and understanding it is inseparable from the result. A number without its error bar is not yet a measurement, and disputes in astronomy are often disputes about uncertainty.

Highlights

›A number without an error bar is not a measurement

Error Analysis & Calibration
The Nature of Evidence

Across the history of discovery

The Nature of Evidence

Knowledge connections

Associated withThe Nature of Evidence
Associated withError Analysis & Calibration
Associated withThe Nature of Evidence
Associated withThe Heisenberg Uncertainty Principle

Sources

Facts on this topic will be cited from these primary and reference sources.

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.

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Measurement Uncertainty

Highlights

Astronomers, eras & methods

Across the history of discovery

Knowledge connections

Sources

Measurement Uncertainty

Highlights

Astronomers, eras & methods

Across the history of discovery

Knowledge connections

Sources