Carl Sagan
Planetary scientist, author and broadcaster who connected rigorous cosmic inquiry with civic responsibility and public wonder.
Life, work & what’s documented
Carl Sagan was born 1934-11-09 and died 1996-12-20 at age 62. Planetary scientist, author and broadcaster who connected rigorous cosmic inquiry with civic responsibility and public wonder. A scientist and communicator who helped generations understand the scale and wonder of the cosmos.
Why They're Awesome
A scientist and communicator who helped generations understand the scale and wonder of the cosmos.
Essential works: Cosmos · Contact · The Demon-Haunted World
Meaningful connections
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- ScienceContributed To / Carl Sagan contributed to planetary science and public understanding of science.Relationship source / confidence: high
Positive impact
He co-founded The Planetary Society in 1980 to build public support for planetary exploration and the search for life.
Context is not destiny
Born 1934-11-09; died 1996-12-20; age at death 62. These dates provide historical context, not a mortality model.
Death context: Carl Sagan died on 1996-12-20 at age 62. This profile states only the sourced date and age until a reviewed cause or circumstance source is attached.
Historical illness and age are context, not proof of a current crisis or a factual mortality forecast.
The cosmic file
The cosmic file
Sun
Scorpio 16.4°
Moon
Sagittarius 16.0°
Mercury
Venus
Mars
Virgo 12.9°
Jupiter
Saturn
Aquarius 21.7°
Uranus
Aries 28.8°
Neptune
Pluto
Cancer 26.0°Time-stable natal aspects
- Sun conjunction Venus orb 2.5°
- Sun sextile Mars orb 3.7°
- Sun square Saturn orb 5.8°
- Sun sextile Neptune orb 2.7°
- Mercury conjunction Jupiter orb 3.1°
- Mercury opposition Uranus orb 5.2°
- Venus sextile Mars orb 1.5°
- Venus sextile Neptune orb 0.8°
- Mars conjunction Neptune orb 1.5°
- Jupiter opposition Uranus orb 7.7°
- Uranus square Pluto orb 2.7°
These placements are deterministic astronomical calculations. Interpretive meaning is presented separately and uncertainty is retained.
Calculation confidence: date_based_reliable. Moon: date based reliable. Rising sign: birth time needed. Date-based geocentric placements use a noon UTC reference. Moon is evaluated across the full UTC day. No Ascendant or houses are inferred. Astrology is interpretation, not fact, medicine, or mortality prediction.
Sources & provenance
- Wikidata item Q410Wikidata / 2026-08-26 / identity / confidence: mediumSource ID carl-sagan:discovery_index:1. Verification: identity_discovery_only. Claims: identity.
- Official website candidateOfficial site / 2026-08-26 / biography / confidence: primarySource ID carl-sagan:official_site_candidate:2. Verification: selected_for_editorial_use. Claims: career summary, official legacy.
- Encyclopaedia Britannica candidateEncyclopaedia Britannica / 2026-08-26 / identity / confidence: highSource ID carl-sagan:reference_candidate:3. Verification: selected_for_editorial_use. Claims: identity, vital dates, career summary.
- Our FoundersThe Planetary Society / 2026-08-26 / biography / confidence: primarySource ID carl-sagan:good-deed:1. Verification: content_reviewed. Claims: good deed or positive legacy, legacy treatment.
Official links
- Official siteOfficial Site
Batch adw-publication-batch-2026-08-26-01. Research package completeness 96/100. Claims are linked to the source IDs retained in source notes.
Research last updated 2026-08-26.
Portrait provenance
Carl Sagan photo by NASA/JPL; Image:Planetary society.jpg http://technology.jpl.nasa.gov/gallery/index.cfm?page=imageDetail&ItemID=43&catId=9 http://www2.jpl.nasa.gov/technology/images_videos/iv_pages/P22626ac.html also here; Public domain.
Exact source file · Public domain · Retrieved 2026-08-27.
Editorial identification only. No endorsement is implied.
Watchlist and discussion
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