| APPLETON | Sir Edward Victor -; Nobel laureate whose name was given to the F region of the ionosphere |
| HEANEY | Nobel laureate whose collection Death of a Naturalist contains poems including Digging, Blackberry-Picking, Mid-Term Break and Lovers on Aran (6) |
| HEAVISIDELAYER | Another name for the E region of the ionosphere |
| DLAYER | The lowest region of the ionosphere, which reflects low-frequency radio waves |
| EAGLE | Aquiline bird of prey whose name was given to the Apollo 11 lunar module that became the first crewed vehicle to land on the Moon (5) |
| PASTEUR | French scientist who proved the germ theory of disease and whose name was given to the process of st |
| VENUS | Celebrated in her earliest form as a spirit of kitchen gardens, a Roman love goddess whose name was given to the planet also known as Hesperus or the morning star (5) |
| HEAVISIDE | Physicist after who a layer of the ionosphere was named |
| TENNYSON | Alfred, Lord ___, Poet Laureate whose works include The Charge of the Light Brigade and Crossing the Bar |
| AURORA | Goddess of the dawn whose name was given by Galileo Galilei to the luminous natural spectacle of the polar lights; or, poetically, dayspring (6) |
| PROFUMOAFFAIR | What name was given to the 1963 security scandal when the British Secretary of State for War had an affair with Christine Keeler. the mistress of a Soviet diplomat? (7,6) |
| ZORRO | The name of this South American fox was given to the fictional masked hero who carved his initial with three strokes of the sword |
| MERCURY | Swift-footed Roman messenger god whose name was given to the fastest planet in our solar system and the element "quicksilver" (7) |
| SKIP | The propagation of radio waves reflected or refracted back toward Earth from the ionosphere. (4) |
| NILE | River whose name was given to a shade of blue and of green and is the setting of an Agatha Christie novel (4) |
| CLIO | The mythical "Proclaimer" Muse and patroness of history whose name was given to a model of Renault car (4) |
| ZFORCE | What name was given to the World War II special unit that was made up of Australian and allied force |
| PIONEER | What name was given to the series of 1970s space probes that provided pictures of Jupiter and Saturn? (7) |
| IDES | Name was given to the 15th of certain months in the Roman calendar (4) |
| LADYBIRD | With a Latin designation that refers to the word "scarlet", a spotted beetle esteemed by gardeners, whose name was given to an imprint of children's books (8) |
