Dictionary term
Solar Elongation
Direct answer
Solar Elongation is the apparent angular separation between a celestial object and the Sun in the observer’s sky.
It measures how far an object appears from the Sun.
It measures how far an object appears from the Sun.
A scientific orientation to scale, light, or motion; the article supplies the precise definition.Quick reference
- Use when
- Combine elongation with altitude, brightness, latitude, weather, and horizon.
- Do not use it for
- A large elongation does not guarantee darkness or a clear local horizon.
- Reference category
- Astronomy & Skywatching
- Related terms
- Geometric Albedo, Phase Angle, Greatest Elongation, Astronomical Opposition
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The story behind Solar Elongation
Almanacs long tabulated elongations for planetary observation and navigation.
Solar Elongation: fact and faith, kept distinct
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Solar Elongation in numerology
Solar Elongation 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 Solar Elongation matters
It helps assess twilight visibility and inner-planet configurations.
Solar Elongation at work: an example
Mercury at modest eastern elongation may appear briefly after sunset.
Where interpretation stops
Solar Elongation 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.
- NASA Science: Skywatching FAQ - NASA guidance for observing stars, planets, constellations, and changing sky events.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
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Common questions
What is Solar Elongation?
Solar Elongation is the apparent angular separation between a celestial object and the Sun in the observer’s sky.
How is Solar Elongation used in an almanac?
Combine elongation with altitude, brightness, latitude, weather, and horizon.
What should I avoid when interpreting Solar Elongation?
A large elongation does not guarantee darkness or a clear local horizon.
