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Haystack Catena is a catena on Mercury. It superficially resembles a graben but is a chain of overlapping secondary craters. It is named after Haystack Observatory, and was originally named Haystack Vallis when it was imaged by Mariner 10 in 1974, but the name was changed in 2013 to align with planetary feature naming themes. It is approximately 274 km…
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catena haystack km large unnamed crater age observatory feature mercury graben tolstojan kuiperian superficially resembles chain overlapping secondary craters named
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Haystack Catena | Coordinates | .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars… | 1.00 | infobox |
| Haystack Catena | Eponym | Haystack Observatory | 1.00 | infobox |
| Haystack Catena | Feature type | Catena | 1.00 | infobox |
| Haystack Catena | is a | catena on Mercury | 0.90 | text |
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