IAU descriptor term
Lineae in the Solar System
Linea is the term planetary geologists use for a long, dark or bright marking. 71 named features carry it, across 2 of the 14 mapped worlds, the largest being Cadmus Linea on Europa at 3,548 km.
Where they are
The largest lineae anywhere
Ranked across every mapped world, by catalogued diameter.
1Cadmus LineaEuropa3,548 km2Morrigan LineaVenus3,200 km3Kennet LineaEuropa3,200 km4Hyperenor LineaEuropa2,996 km5Belus LineaEuropa2,437 km6Kalaipahoa LineaVenus2,400 km7Agrona LineaVenus2,300 km8Jokwa LineaVenus2,200 km9Chthonius LineaEuropa2,180 km10Minos LineaEuropa2,170 km11Tectamus LineaEuropa2,096 km12Udaeus LineaEuropa2,050 km13Phineus LineaEuropa2,004 km14Asterius LineaEuropa1,943 km15Butterdon LineaEuropa1,900 km16Badb LineaVenus1,750 km17Rhadamanthys LineaEuropa1,747 km18Sharpitor LineaEuropa1,650 km19Phoenix LineaEuropa1,621 km20Sparti LineaEuropa1,600 km21Merrivale LineaEuropa1,600 km22Adonis LineaEuropa1,560 km23Pelorus LineaEuropa1,535 km24Staldon LineaEuropa1,525 km25Ino LineaEuropa1,515 km26Drizzlecomb LineaEuropa1,500 km27Mehen LineaEuropa1,500 km28Agenor LineaEuropa1,496 km29Agave LineaEuropa1,440 km30Alphesiboea LineaEuropa1,438 km
What they are named after
Naming themes are set per world, so one descriptor can draw on very different sources depending on where it sits. Across all 71 lineae, 18 categories appear.
Greek41Celtic9England3Ireland2Roman2Iceland2Hawaii1Wales1