| AURORA | The name for the luminous phenomenon of Earth's upper atmosphere that occurs primarily in high latitudes of both hemispheres. (6) |
| STRATA | Regions of the atmosphere that occur as layers, as stratosphere (6) |
| DUSTSTORM | Weather phenomenon of Earth and Mars |
| IONOSPHERE | Region of Earth's upper atmosphere abundant in charged particles |
| DAYGLOW | faint luminescence of Earth's upper atmosphere |
| OZONELAYER | Part of upper atmosphere that is gradually disappearing (5,5) |
| CANINE | The alternative name for members of the dog family. It's also the name for the cuspid or eye tooth in mammals, which is any of the single-cusped (pointed), usually single-rooted teeth adapted for tear |
| ROMAN | The name for the ancient empire that spanned the Mediterranean Sea; it was established in 27 BCE after the fall of the republic of the same name. (5) |
| HARMATTAN | The name for the cool dry wind that blows from the northeast or east in the western Sahara and is strongest in late fall and winter (late November to mid-March). (9) |
| SNORKEL | What is the name for the breathing tube used for swimming at the surface with the face down? (7) |
| HAIKU | What is the name for the Japanese poem of 17 syllables, in three lines of five, seven and five? (5) |
| CARYTIDS | What is the name for the draped female figurines that are used in place of columns as architectural supports? |
| LEWISWITHHARRIS | What is one of the names for the island in the Outer Hebrides, also called the Long Island, famous f |
| VERNE | Author of Around the World in Eighty Days whose novel The Green Ray is named after the rare optical phenomenon of the same name (5) |
| OZONE | ____ layer, thin part of the Earth's atmosphere that absorbs most of the sun's ultraviolet light (5) |
| PHOTOFIT | What is the name for the reconstructed image of a person, usually wanted by the police, made up from composite pictures of facial features? (8) |
| ALNAFUD | The name for the northern portion of the larger Arabian Desert. It lies at an average elevation of 3,000 feet (900 metres) and covers about 25,000 square miles (65,000 square km). (2,5) |
| WIND | The name for the movement of air relative to Earth's surface; this phenomenon plays a significant role in determining and controlling climate and weather. (4) |
| STAR | Associated with a dark sky paradox propounded by Heinrich Olbers in 1823, any one of the luminous bodies forming part of the universe's two trillion galaxies (4) |
| KINGTIDES | In the plural, what is one of the names for the large rise tide at, or soon after, the new moon? (4,5) |
