Dictionary term
Quasar
Direct answer
Quasar: A Quasar is an extremely luminous active galactic nucleus observed across cosmological distances and powered by black-hole accretion.
It is a bright distant form of active galaxy.
It is a bright distant form of active galaxy.
A scientific orientation to scale, light, or motion; the article supplies the precise definition.Quick reference
- Use when
- Use redshift and host-galaxy evidence rather than its star-like image alone.
- Do not use it for
- Quasars are not stars and redshift interpretation requires calibrated spectra.
- Reference category
- Astronomy & Skywatching
- Related terms
- Irregular Galaxy, Active Galactic Nucleus, Gravitational Lensing, Astronomy
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The story behind Quasar
Their large redshifts transformed quasi-stellar radio sources into markers of a vast evolving universe.
Quasar: 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.
Quasar in numerology
Quasar 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 Quasar matters
Quasars illuminate the early universe, intergalactic gas, and rapid black-hole growth.
Quasar at work: an example
A distant quasar can appear pointlike while outshining its entire host galaxy.
Where interpretation stops
Quasar 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:
- NASA Science: Galaxies - NASA overview of galaxy structure, types, groups, clusters, and the Milky Way.
- NASA Science: Black Holes - NASA reference for black-hole properties, accretion, detection, and gravitational effects.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Look beyond a quasar’s star-like image
Quasar in a book is one thing; Quasar in your own birth chart is your life. The Oracle casts your real chart and tells you what it means for your love, your work, and your year ahead, in conversation, free.
Speak with the OracleRelated terms
More in Astronomy & Skywatching
- Small Circle
- Synodic Period
- Angular Separation
- Atmospheric Transparency
- Descending Orbital Node
- Local Meridian
- Orbital Perturbation
Common questions
What is Quasar?
A Quasar is an extremely luminous active galactic nucleus observed across cosmological distances and powered by black-hole accretion.
How is Quasar used in an almanac?
Use redshift and host-galaxy evidence rather than its star-like image alone.
What should I avoid when interpreting Quasar?
Quasars are not stars and redshift interpretation requires calibrated spectra.
