Dictionary term
Astronomical Opposition
Direct answer
Astronomical Opposition occurs when a Solar System body appears roughly opposite the Sun in Earth’s sky.
It is a Sun-Earth-object alignment in longitude.
- 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 full ephemeris geometry rather than longitude alone for precise separation and distance.
- Do not use it for
- Opposition is an astronomical configuration, not an astrological aspect or guaranteed closest approach.
- Reference category
- Astronomy & Skywatching
- Related terms
- Solar Elongation, Greatest Elongation, Inferior Conjunction, Superior Conjunction
The story behind Astronomical Opposition
Opposition timing became a central feature of planetary observing almanacs.
Astronomical Opposition in spiritual tradition
Clear naming keeps measured alignment distinct from symbolic language.
The Great Almanac frames Astronomical Opposition 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.
Astronomical Opposition 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.
Astronomical Opposition in numerology
Astronomical Opposition 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 Astronomical Opposition matters
Outer planets are commonly visible much of the night and often relatively near Earth around opposition.
Example in a reading: Mars rises near sunset around opposition and culminates near local midnight.
Interpretive caution: Opposition is an astronomical configuration, not an astrological aspect or guaranteed closest approach.
How Astronomical Opposition is used in a reading
Use full ephemeris geometry rather than longitude alone for precise separation and distance.
Where interpretation stops
Astronomical Opposition 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.
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 Astronomical Opposition inside a wider reference cluster instead of leaving it as a standalone keyword.
