Copernican period
E518069
The Copernican period is the most recent era in the Moon’s geological timescale, characterized by relatively young, bright craters with well-preserved ray systems.
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
geologic time interval
ⓘ
lunar geologic period ⓘ |
| appliesTo | Moon NERFINISHED ⓘ |
| characterizedBy |
bright crater ray systems
ⓘ
high-albedo crater ejecta ⓘ well-preserved crater rays ⓘ young lunar impact craters ⓘ |
| contrastsWith | Eratosthenian period lacking bright rays ⓘ |
| definedBy |
crater ray albedo contrast with surrounding terrain
ⓘ
presence of bright crater rays ⓘ |
| endTime | present ⓘ |
| follows | Eratosthenian period NERFINISHED ⓘ |
| geologicContext | post-mare volcanism era on the Moon ⓘ |
| hasCriterion | craters with rays brighter than surrounding mare or highlands ⓘ |
| hasDatingMethod |
crater counting
ⓘ
remote sensing albedo measurements ⓘ |
| hasOutcome | formation of fresh-appearing lunar craters ⓘ |
| hasProcess |
impact cratering
ⓘ
space weathering of lunar surface ⓘ |
| hasProperty |
most recent lunar geologic period
ⓘ
relatively low degree of space weathering on fresh craters ⓘ |
| hasRelativeAge | youngest on the Moon ⓘ |
| hasStratigraphicUnit | Copernican System NERFINISHED ⓘ |
| hasSurfaceFeature |
fresh ray craters such as Aristarchus
ⓘ
fresh ray craters such as Copernicus ⓘ fresh ray craters such as Tycho ⓘ |
| hasTypeLocality | Copernicus crater NERFINISHED ⓘ |
| namedAfter | Nicolaus Copernicus NERFINISHED ⓘ |
| partOf | lunar geological timescale ⓘ |
| startTime | approximately 1.1 billion years ago ⓘ |
| studiedIn |
planetary geology
ⓘ
selenology ⓘ |
| temporalExtent | ~1.1 billion years to present ⓘ |
| usedIn |
lunar crater age classification
ⓘ
lunar stratigraphy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Copernicus (lunar crater)