Torino Scale
Updated 2026-08-05
INTRODUCTION
English translation pending.
CORE DEFINITION
Adopted by the International Astronomical Union, the scale rates near-Earth object impact risk from zero, meaning no hazard, to ten, meaning certain global catastrophe, combining impact probability and kinetic energy into a single color-coded level. The core claim is that expert probabilities must be translated into intuitive levels before the public can act. The qualification is that early estimates are highly uncertain, so a rating can rise and then fall as more observations refine the orbit.
SCAFFOLDING EFFECT
Reduce cognitive load
- Use Level Combining: Merge probability and consequence into one intuitive level before communicating, because an expert figure such as 0.001% means nothing to the public on its own. - Use Color Coding: Attach consistent colors or grades so audiences can compare risks at a glance. - Use Action Pairing: State the response each level calls for instead of leaving the number bare.
Anchor fast decisions
A raw probability means little without a sense of what the event would do, so audiences discount small numbers regardless of consequence. Combining probability and severity into one ordinal level restores the missing weight and gives a basis for action. Because early orbital data are sparse, the level moves as observations accumulate, which is why the scale pairs ratings with explicit guidance rather than leaving interpretation to the reader.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Torino_scaleverified
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