
1) Fictional terrestrial planet
Found on
https://www.crosswordclues.com/clue/arachosia

Arachosia ə is the Hellenized name of an ancient satrapy in the eastern part of the Achaemenid, Seleucid, Parthian, Greco-Bactrian, and Indo-Scythian empires. Arachosia was centred on Arghandab valley in modern-day southern Afghanistan, and extended east to as far as the Indus River in modern-day Pakistan. The main river of Arachosia was called A...
Found on
http://en.wikipedia.org/wiki/Arachosia
No exact match found.