Martian crater Galle
E521505
Martian crater Galle is a large impact crater on Mars best known for its distinctive "smiley face" appearance in orbital images.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Galle (Martian crater) | 0 |
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Martian surface feature
ⓘ
impact crater ⓘ |
| coordinateSystem | planetocentric coordinates ⓘ |
| formationProcess | asteroid or comet impact ⓘ |
| hasApproximateDiameter | ~230 km ⓘ |
| hasCentralRegion | relatively flat floor ⓘ |
| hasEponymOccupation | German astronomer ⓘ |
| hasFeature |
dark curved ridge resembling a mouth
ⓘ
two darker circular features resembling eyes ⓘ |
| hasGeologicContext | Noachian-aged terrain vicinity ⓘ |
| hasNickname |
happy face crater
NERFINISHED
ⓘ
smiley face crater NERFINISHED ⓘ |
| hasNotableAppearance | resembles a smiley face in orbital images ⓘ |
| hasRim | well-defined crater rim ⓘ |
| hasScientificInterest |
erosion and infilling of large Martian craters
ⓘ
impact processes on Mars ⓘ |
| hasShape | circular impact basin ⓘ |
| imagedBy |
Mars Global Surveyor
NERFINISHED
ⓘ
Mars Reconnaissance Orbiter NERFINISHED ⓘ Viking Orbiter NERFINISHED ⓘ |
| influenced | popular culture depictions of Mars ⓘ |
| isFamousFor | pareidolia effect producing a face-like pattern ⓘ |
| locatedIn |
Argyre Planitia region
NERFINISHED
ⓘ
southern hemisphere of Mars ⓘ |
| locatedOn | Mars NERFINISHED ⓘ |
| nameApprovalYear | 1973 ⓘ |
| nameApprovedBy | International Astronomical Union NERFINISHED ⓘ |
| namedAfter | Johann Gottfried Galle NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
visible wavelengths ⓘ |
| surfaceType | cratered highland terrain ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Johann Gottfried Galle