| ARISTARCHUS | - of Samos, ancient Greek astronomer who advanced the theory that the earth revolves around the sun |
| COPERNICUS | Polish astronomer known for his theory that the Earth revolves around the sun |
| JCURVE | The theory that the Internal Rate of Return of a fund will be low in its early stages (1-5) |
| PTOLEMAIC | The --- system was a theory which stated that the earth lay at the centre of the universe (9) |
| KUIPERBELT | A flat ring of icy bodies that revolve around the sun beyond the orbit of Neptune (6,4) |
| ERASTIANISM | The theory that the state should have authority over the church (11) |
| ERATOSTHENES | Greek astronomer who gave an early estimation of the Earth's circumference |
| SUN | The Earth revolves around it |
| OSTEOPATHY | System of healing based on the theory that some disorders can be treated by manipulation of the skeleton (10) |
| FLAT | Ancient Greek cosmology decreed that the Earth was this shape, which helped it to float on the so-called river of Ocean. |
| EPURSIMUOVE | Galileo's response when forced to recant his view that the earth moved around the sun? (1,3,2,5) |
| WELLKNOWNFACT | Famous and it's Gospel - the world revolves around The Sun (4-5,4) |
| AGRICOLA | Roman general and governor of Britain who advanced Roman rule north to the Firth of Forth |
| HUBBLESLAW | Key principle behind the theory that the universe is expanding |
| PETERPRINCIPLE | The theory that members of a hierarchy rise to their level of incompetence |
| ORIGINOFSPECIES | On the _ _ _ : 1859 scientific work that introduced the theory that populations evolve through natural selection (6,2,7) |
| YET | "And ___ it moves" (Galileo's supposed response to being forced to recant his claim that the Earth moves around the sun) |
| PLANET | A celestial body that revolves around the sun |
| TETRIS | Video game "beaten" for the first time, in 2023, by thirteen-year-old Willis Gibson, who advanced so far that the screen froze |
| PLANETS | The heavenly bodies that revolve around the sun (7) |
