| OPAL | Present on the surface of Mars and thought by the Ancient Greeks to be a tear of Zeus, a gemstone of hydrated silica (4) |
| DELPHI | An important temple and oracle site, thought by the ancient Greeks to be the centre of the world (6) |
| ROVER | Type of vehicle which explores the surface of Mars and the moon. (5) |
| LOTUS | Shrub whose fruit was thought, by the ancient Greeks, to produce a state of dreamy forgetfulness (5) |
| RHEA | Mother of Zeus; a flightless bird |
| BRIEF | Meeting with a lawyer could be a tear-jerker (5,9) |
| ENCOUNTER | Meeting with a lawyer could be a tear-jerker (5,9) |
| MASTIC | A.k.a. tears of Chios |
| AMALTHEA | One nurturing Zeus, a guy securing most of the area |
| THUNDER | Associated with Thor or Zeus, a sound caused by lightning (7) |
| PILLARS | The ___ of Hercules: name given by the ancient Greeks to the promontories on either side of the Strait of Gibraltar (7) |
| BAGPIPES | Played by Papageno in Mozart's The Magic Flute, the syrinx whose invention was credited by the ancient Greeks to a faun-like rural god (3-5) |
| PANPIPES | Played by Papageno in Mozart's The Magic Flute, the syrinx whose invention was credited by the ancient Greeks to a faun-like rural god (3-5) |
| CANEL | Any of a series of channel-like markings visible on the surface of Mars when viewing through a telescope (5) |
| MOONSTONE | Adularescent gem thought by the Romans to be created by lunar rays; or, the priceless yellow diamond described in a classic work of detective fiction by Wilkie Collins (9) |
| LYRE | Instrument believed by ancient Greeks to be invented by Hermes |
| AMAZONS | Female warriors believed by the ancient Greeks to live in Scythia (7) |
| CYCLONE | Word, coined by a sea captain and thought to derive from the Greek for "wheel, coil of a snake", for a system of winds spiralling inwards (7) |
| INGENUITY | Robotic helicopter landed on the surface of Mars by NASA on 18 February 2021 (9) |
| TRIREME | A galley with three banks of oars on each side, developed by the ancient Greeks as a warship |
