Dictionary term
Atmospheric Extinction
Direct answer
Atmospheric Extinction is the reduction of celestial light through scattering and absorption along its path through the atmosphere.
It makes objects fainter, especially near the horizon.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Quick reference
- Use when
- Use wavelength, airmass, site, and current atmospheric conditions.
- Do not use it for
- A single extinction correction does not fit every color or night.
- Reference category
- Astronomy & Skywatching
- Related terms
- Astronomical Seeing, Atmospheric Transparency, Atmospheric Refraction, Airmass
The story behind Atmospheric Extinction
Photometric astronomy developed extinction coefficients to correct ground observations.
Atmospheric Extinction in spiritual tradition
Measurement improves when the medium is included.
The Great Almanac frames Atmospheric Extinction with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.
Atmospheric Extinction in the Bible
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Atmospheric Extinction in numerology
Atmospheric Extinction is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Atmospheric Extinction matters
It is required for calibrated photometry and realistic visibility estimates.
Example in a reading: The same star appears dimmer at low altitude than near culmination.
Interpretive caution: A single extinction correction does not fit every color or night.
How Atmospheric Extinction is used in a reading
Use wavelength, airmass, site, and current atmospheric conditions.
Where interpretation stops
Atmospheric Extinction is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- U.S. Naval Observatory: Astronomical Almanac Glossary - Definitions for astronomical coordinates, time, reference systems, and observable phenomena.
- European Southern Observatory: Technology for Telescopes - Observatory reference for aperture, angular resolution, atmospheric seeing, mirrors, and telescope technology.
The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.
Continue learning
Continue from the definition into current sky positions, space weather, and the live collective celestial view.
Open Worldwide WatchRelated terms
These related entries help place Atmospheric Extinction inside a wider reference cluster instead of leaving it as a standalone keyword.

