Malmquist bias

Etymology
Named after Swedish astronomer, who first described the effect in 1922.

Noun

 * 1) A type of, where brighter objects appear to be more common at further distances; caused by a larger actual sample gathering region per square degree at further distances, and that dimmer sources drop out of sight due to distance.

Translations

 * Finnish: Malmquistin valintaharha
 * French: biais de Malmquist
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 * Swedish: