depression (the actual 'patera') at the summit. topographic map of Ascraeus mons Aeolis mons, oblique view List of craters on Mars List of extraterrestrial volcanoes...

'Ascraeus Lacus' provides the basis of the name of the volcano Ascraeus Mons in roughly the same position. In addition, since most Earth-based amateur...

syderibus nostro septentrioni obversis navigant, idque eousque donec diem 4 horarum inveniant, hoc est in 63 gradum latitudinis atque haec ex ore naucleri...

(1555). Continet autem miliarem Helveticum, ut nunc utuntur, spacium duarum horarum equestris, duarumque & dimidie pedestris itineris. Computantur ergo octo...