| 100% | URANUS | 6 | First planet discovered with the aid of a telescope |
| 49% | URANUS | 6 | First planet discovered using a telescope |
| 49% | URANUS | 6 | First planet discovered through a telescope |
| 46% | URANUS | 6 | First planet to be identified with a telescope |
| 44% | ALAI | 4 | Second word of a game name that rhymes with the first |
| 43% | ARGO | 4 | First steamship with a planned circumnavigation of the globe |
| 43% | SAILING | 7 | Moving in a boat with the aid of the wind |
| 42% | SATURN | 6 | Planet that shares its namesake with a day of the week |
| 41% | REAGAN | 6 | First U.S. president with a star on the Hollywood Walk of Fame |
| 41% | AMOEBAE | 7 | Ones moving with the aid of pseudopods |
| 41% | IMELDA | 6 | ___ Marcos, longtime first lady of the Philippines with a notorious shoe collection |
| 41% | DAVIDCUFIELD | 12 | First living magician with a star on the Hollywood Walk of Fame |
| 40% | ZORRO | 5 | Swordsman associated with a mark shaped like the first letter of his name |
| 40% | IRAN | 4 | Country that shares the first three letters of its name with a neighboring country |
| 39% | THOR | 4 | Superhero with a hammer who appeared in the first issue of the comic book "The Avengers" |
| 39% | DONKEYKONG | 10 | Video game with a gorilla that first featured the main character of 43-Across (2 wds.) |
| 38% | MARIA | 5 | ___ Mitchell, astronomer who was the first female professor of astronomy and the first American to discover a comet |
| 38% | CERES | 5 | Body in our solar system that was considered a planet in the first half of the 19th century |
| 38% | SKY | 3 | What the lens of a telescope faces |
| 38% | RAND | 4 | Coin with the image of a springbok |
| 38% | RAH | 3 | Cry with the shake of a pompom |
| 38% | EEL | 3 | Fish with the shape of a snake |
| 38% | CENTAURUS | 9 | Constellation with the body of a horse |
| 37% | KNUCKLES | 8 | The part of a fist you punch with |
| 37% | GAMEPLAY | 8 | Interaction with the plot of a computer story |
| 37% | DAMSELFLY | 9 | Insect with the name of a young, unmarried woman |
| 37% | FINDTHELADY | 11 | Discover the title of a card trick |
| 36% | GLEAM | 5 | Sparkle with the radiance of a movie star's teeth |
| 36% | PREGAP | 6 | Part of a CD before the first track |
| 36% | ERASE | 5 | Remove with the rubber part of a pencil |