Rimae Sirsalis is a

lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...

rille. It is located at and is 426 km long.Rimae Sirsalis
Gazetteer of Planetary Nomenclature International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN) It was formed by extension of the surface, possibly due to dike propagation in the subsurface. Rimae Sirsalis cuts across highlands almost exclusively. It starts at the edge of Oceanus Procellarum near the modest crater Sirsalis from which it gets its name and proceeds directly away from the

mare A mare is an adult female horse or other equine. In most cases, a mare is a female horse over the age of three, and a filly is a female horse three and younger. In Thoroughbred horse racing, a mare is defined as a female horse more than four ...

, eventually ending up among the cracks in the floor of the crater Darwin. Along the way it passes through

crater Crater may refer to: Landforms *Impact crater, a depression caused by two celestial bodies impacting each other, such as a meteorite hitting a planet *Explosion crater, a hole formed in the ground produced by an explosion near or below the surfac ...

s, ranges of hills, and other small rilles.

References

{{reflist Sirsalis, Rimae Volcanic landforms