Divalia Fossa is the largest of the series of parallel
Rheasilvia
Rheasilvia is the most prominent surface feature on the asteroid Vesta and is thought to be an impact crater. It is in diameter, which is 90% the diameter of Vesta itself, and is 95% the mean diameter of Vesta, . However, the mean is affect ...
n equatorial
troughs on the giant asteroid
4 Vesta
Vesta (minor-planet designation: 4 Vesta) is one of the largest objects in the asteroid belt, with a mean diameter of . It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 and is named after Vesta, the ...
. It is approximately wide (estimated at its widest point) and encircles "most" of Vesta's equator, or for at least , and is about deep. It is thought to be a compression fracture resulting from the impact that created Rheasilvia crater. It is one of the
longer chasms in the Solar System, and is named after the Roman festival of
Divalia
The Divalia was a Roman festival held on December 21, in honour of the goddess Angerona
In Roman religion, Angerona or Angeronia was an old Roman goddess, whose name and functions are variously explained. She is sometimes identified with the god ...
.
IAU/USGS
(NASA coordinates)
See also
*Saturnalia Fossa
Saturnalia Fossa is the largest of the series of parallel Veneneian Trough (geology), troughs in the northern hemisphere of the giant asteroid 4 Vesta. It is estimated to be approx. wide and is at least ; as of early 2012, one end disappeared in ...
, the largest of the Veneneian troughs
References
{{reflist
Extraterrestrial valleys
Geological features on main-belt asteroids
Surface features of 4 Vesta