Hyperboreae Undae (Latin: "Far Northern Waves/Dunes") is one of the largest and densest dune fields of Planum Boreum, the Martian North Pole. It is named after one of the classical albedo features on Mars. Its name was officially approved by IAU in 1988. It extends from latitude 77.12°N to 82.8°N and from longitude 302.92°E to 316.02°E (43.98°W – 57.08°W). Its centre is at latitude 79.96°N, longitude 49.49°W, and has a diameter of 463.65 kilometres (288.10 mi).
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| - Hyperboreae Undae (ca)
- Hyperboreae Undae (en)
- Hyperboreae Undae (it)
- 极北沙丘群 (zh)
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| - Hyperboreae Undae és una formació geològica de tipus unda a la superfície de Mart, localitzada amb el sistema de coordenades planetocèntriques a 82.8 ° latitud N i 316.02 ° longitud E, que fa 463.65 km de diàmetre. El nom va ser aprovat per la UAI l'any 1988 i fa referència a una característica d'albedo. (ca)
- Le Hyperboreae Undae sono una struttura geologica della superficie di Marte. (it)
- 极北沙丘群（Hyperboreae Undae）拉丁语意指“极北波浪/沙丘”，是火星北极玻瑞姆高原上最大、最密集的沙丘场之一，其范围涵盖北纬77.12度至82.8度、东经302.92度至316.02度（西经43.98度–西经57.08度）的区域，中心坐标位于北纬79.96度，西经49.49度，直径约463.65公里（288.英里）。该特征名称取自火星古典反照率特征之一，1988年，被国际天文联合会正式批准接受。 极北沙丘群位于北极峡谷东北边界上的弧形洼地-北极凹地西南，从那里开始，极北沙丘群继续向西南方延伸，穿过北极峡谷，进入北方大平原低地。它覆盖了极北舌状地的东部和埃斯科里亚尔陨击坑上方的区域。 极北沙丘群以其所形成的新月形和线形沙丘而闻名，尽管它们之间看似并不相容，对这些类型的沙丘之所以能在极北沙丘群和火星其他地方共存的原因一直在研究中。在极北沙丘群发现的另一种构造类型是雅丹地貌。 (zh)
- Hyperboreae Undae (Latin: "Far Northern Waves/Dunes") is one of the largest and densest dune fields of Planum Boreum, the Martian North Pole. It is named after one of the classical albedo features on Mars. Its name was officially approved by IAU in 1988. It extends from latitude 77.12°N to 82.8°N and from longitude 302.92°E to 316.02°E (43.98°W – 57.08°W). Its centre is at latitude 79.96°N, longitude 49.49°W, and has a diameter of 463.65 kilometres (288.10 mi). (en)
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| - Hyperboreae Undae és una formació geològica de tipus unda a la superfície de Mart, localitzada amb el sistema de coordenades planetocèntriques a 82.8 ° latitud N i 316.02 ° longitud E, que fa 463.65 km de diàmetre. El nom va ser aprovat per la UAI l'any 1988 i fa referència a una característica d'albedo. (ca)
- Hyperboreae Undae (Latin: "Far Northern Waves/Dunes") is one of the largest and densest dune fields of Planum Boreum, the Martian North Pole. It is named after one of the classical albedo features on Mars. Its name was officially approved by IAU in 1988. It extends from latitude 77.12°N to 82.8°N and from longitude 302.92°E to 316.02°E (43.98°W – 57.08°W). Its centre is at latitude 79.96°N, longitude 49.49°W, and has a diameter of 463.65 kilometres (288.10 mi). Hyperboreae Undae is southwest of the Boreum Cavus depression, an arc-like depression at the northeastern boundary of Chasma Boreale. From there, Hyperboreae Undae continues in a southwestern direction through Chasma Boreale, and into the lowlands of Vastitas Borealis. It overlays the eastern part of Hyperboreae Lingua and the region above Escorial crater. Hyperboreae Undae is well known for the barchanoid and linear dunes that have formed at its location, although they are seemingly incompatible. Research has been ongoing to explain the coexistence of these types of dunes at Hyperboreae Undae and elsewhere on Mars. Another type of formation found at Hyperboreae Undae is the yardang. (en)
- Le Hyperboreae Undae sono una struttura geologica della superficie di Marte. (it)
- 极北沙丘群（Hyperboreae Undae）拉丁语意指“极北波浪/沙丘”，是火星北极玻瑞姆高原上最大、最密集的沙丘场之一，其范围涵盖北纬77.12度至82.8度、东经302.92度至316.02度（西经43.98度–西经57.08度）的区域，中心坐标位于北纬79.96度，西经49.49度，直径约463.65公里（288.英里）。该特征名称取自火星古典反照率特征之一，1988年，被国际天文联合会正式批准接受。 极北沙丘群位于北极峡谷东北边界上的弧形洼地-北极凹地西南，从那里开始，极北沙丘群继续向西南方延伸，穿过北极峡谷，进入北方大平原低地。它覆盖了极北舌状地的东部和埃斯科里亚尔陨击坑上方的区域。 极北沙丘群以其所形成的新月形和线形沙丘而闻名，尽管它们之间看似并不相容，对这些类型的沙丘之所以能在极北沙丘群和火星其他地方共存的原因一直在研究中。在极北沙丘群发现的另一种构造类型是雅丹地貌。 (zh)
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