Risk scale

The Palermo Scale

A more technical, logarithmic scale used by specialists to rank impact hazards against the background risk of a random impact of the same size over the same time. Values below zero mean a threat less than the everyday background; above zero warrants attention.

CNEOS

Knowledge connections

Associated withRisk Assessment
Associated withCNEOS

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.

Loading…

The Palermo Scale

Surveys, missions & objects

Knowledge connections

Sources

The Palermo Scale

Surveys, missions & objects

Knowledge connections

Sources