Hellespontus

Hellespontus

[¦hel·əs¦pän·təs]
(astronomy)
A surface region of the planet Mars between the regions Hellas and Noachis.
References in periodicals archive ?
Mare Serpentis was broad and dark prior to the storm, and Hellespontus was complete.
Under the rule of Roman Emperor Tiberius, the city was incorporated with the empire, but remained the capital of Mysia, afterwards of Hellespontus, and became one of the greatest cities in the ancient world.
Melillo's images of Jun 8 already showed bright dust in Hellas extending beyond its canonical boundaries, with Depressiones Hellesponticae darkened and Hellespontus constricted in the middle suggesting westward dust propagation.
polar hood, and by then Hellespontus and Yaonis Fretum could be resolved.
25,27,39,53) As it expanded (Figures 9A-9B), its development into Ausonia and across Hellespontus into Noachis closely paralleled previous events from 1911, (54) 1924, 1971, 1973 and 1988.
Next day, although Sinus Sabaeus recovered, Hellespontus was visible only in the middle, a band of dust swirling into Noachis and curling back upon itself (Figures 9A, B).
On Jul 8 the new large dark area that extended Hellespontus to the west (see also Region I), began to be revealed.
Finally on August 4 Hellespontus and Sinus Sabaeus were obvious, though Sinus Meridiani remained pale at the CM.
of Hellespontus Montes, partially over the crater Rabe; here the entire terrain slopes down towards the Hellas basin.
The brilliant July 7 Hellespontus spot was sketched a trifle E.
Hellas was now separated from the hood by Hellespontus.
of the Syrtis and Hellas, with dark and completely normal details especially in infrared images (Figure 4): dust had not crossed Hellespontus.