| 100% | ALBEDO | 6 | In physics, the fraction of the incoming light reflected by a planet |
| 50% | ALBEDO | 6 | The proportion of light reflected by a surface |
| 43% | ERG | 3 | Fraction of a joule, in physics |
| 41% | RAGE | 4 | "___ against the dying of the light" (repeated line in a Dylan Thomas poem) |
| 41% | GEIGER | 6 | The “G” of a G-M tube, in physics |
| 41% | EON | 3 | Period in the evolution of a planet |
| 41% | AMAHL | 5 | Boy in a Menotti opera inspired by The Adoration of the Magi |
| 40% | OPERATIC | 8 | In the style of a work by Bizet, such as Carmen |
| 40% | XRAYDIFFRACTION | 15 | Process showing the structure of a crystal, in physics |
| 40% | UNIVERSE | 8 | 1941 novella by Robert A Heinlein republished in 1963 novel Orphans of the Sky |
| 40% | MILLIKAN | 8 | Robert A —, winner of the 1923 Nobel Prize in Physics |
| 40% | DEAL | 4 | Word that appears twice in the name of a game show hosted by Howie Mandel |
| 39% | WAVEFRONT | 9 | Any one of the concentric circles in a ripple, in physics |
| 39% | MARS | 4 | Birth planet for the protagonist of “Stranger in a Strange Land” |
| 39% | RECHARGE | 8 | To boost the battery of a device by plugging it in |
| 39% | BEARUP | 6 | Laugh in the face of being strangled by a gorilla, maybe |
| 39% | SIGN | 4 | "___ of the Times," hit song by Harry Styles which won a Brit Award in 2018 |
| 39% | VENUS | 5 | One of two planets in the solar system that lacks a moon |
| 39% | EVE | 3 | Woman who was tempted by a serpent in the Book of Genesis |
| 39% | NADAL | 5 | Athlete given a noble title by the king of Spain in 2025 |
| 39% | PELLAGRA | 8 | Deficiency disease caused by a lack of nicotinic acid in the diet |
| 39% | NUMERATOR | 9 | Value in the top half of a fraction |
| 39% | PHONE | 5 | Source of a light in the darkness, perhaps |
| 38% | TART | 4 | Type of pastry made by the Queen of Hearts, in a nursery rhyme |
| 38% | IJSSELMEER | 10 | Shallow artificial lake in the Netherlands formed from the closure of the Zuiderzee by a dam in 1932 |
| 38% | TICKLEMEELMO | 12 | By the end of 1996, one million of this toy was sold in a shopping frenzy |
| 38% | ECLIPSE | 7 | "Total ___ of the Heart," hit song by Bonnie Tyler with a celestial phenomenon in its title |
| 38% | MSEC | 4 | Brief period in nuclear physics, a fraction of a tick on a clock: Abbr. |
| 38% | TWOSISTERS | 10 | 1970 work by Gore Vidal subtitled A Novel in the Form of a Memoir |
| 38% | GANYMEDE | 8 | Youth in Greek mythology abducted by Zeus and made a cupbearer of the gods |