Cosmic Calendar
E59307
The Cosmic Calendar is a visualization that compresses the entire history of the universe into a single year to help illustrate the vastness of cosmic time and humanity’s relatively recent appearance.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
chronological visualization
ⓘ
conceptual timeline ⓘ didactic model ⓘ popular science concept ⓘ |
| compressesTimeSpan | 13.8 billion years into one year ⓘ |
| December31LastSecondsRepresent | recent human history ⓘ |
| December31Represents | present moment ⓘ |
| describedIn | Cosmos: A Personal Voyage ⓘ |
| emphasizes |
relative brevity of human existence
ⓘ
scale difference between cosmic and human timescales ⓘ |
| endsOn | December 31 ⓘ |
| firstPopularizedIn | 1980 ⓘ |
| goal |
illustrate vastness of cosmic time
ⓘ
show humanity’s recent appearance ⓘ |
| hasCreator | Carl Sagan ⓘ |
| includesEventType |
age of dinosaurs
ⓘ
development of civilization ⓘ emergence of Homo sapiens ⓘ evolution of complex life ⓘ formation of galaxies ⓘ formation of the Milky Way ⓘ formation of the Solar System ⓘ origin of life on Earth ⓘ rise of mammals ⓘ |
| influenced | later cosmic timeline visualizations ⓘ |
| language | primarily English in original presentation ⓘ |
| mapsTo | Gregorian calendar year ⓘ |
| medium |
books
ⓘ
classroom posters ⓘ online interactive visualizations ⓘ television series ⓘ |
| midnightJanuary1Represents | moment of the Big Bang ⓘ |
| NewYearsDayRepresents | Big Bang ⓘ |
| portraysHumanHistoryAs | occupying last seconds of December 31 ⓘ |
| relatedConcept |
deep time
ⓘ
geologic time scale ⓘ logarithmic timelines ⓘ |
| represents | history of the universe ⓘ |
| startsOn | January 1 ⓘ |
| timeScale | 1 cosmic year equals age of the universe ⓘ |
| typicalMapping |
1 day represents about 37.8 million years
ⓘ
1 hour represents about 1.58 million years ⓘ 1 minute represents about 26,000 years ⓘ 1 month represents about 1.15 billion years ⓘ 1 second represents about 438 years ⓘ |
| usedIn |
astronomy education
ⓘ
cosmology education ⓘ science communication ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.