Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:affectedBody |
gptkb:Earth
gptkb:Mars gptkb:Mercury gptkb:Moon gptkb:Venus |
| gptkbp:alsoKnownAs |
gptkb:LHB
|
| gptkbp:category |
gptkb:astronomy
geology planetary science |
| gptkbp:characterizedBy |
increased asteroid and comet impacts
|
| gptkbp:debatedBy |
existence and intensity
|
| gptkbp:evidence |
lunar rock samples
crater dating |
| https://www.w3.org/2000/01/rdf-schema#label |
Late Heavy Bombardment
|
| gptkbp:hypothesizedCause |
orbital migration of giant planets
|
| gptkbp:occurredIn |
gptkb:Solar_System
|
| gptkbp:period |
about 4.1 to 3.8 billion years ago
|
| gptkbp:significance |
may have influenced early life on Earth
|
| gptkbp:studiedBy |
astronomer
geologists planetary scientists |
| gptkbp:相关理论 |
Nice model
|
| gptkbp:bfsParent |
gptkb:The_Young_Solar_System
|
| gptkbp:bfsLayer |
7
|