| 100% | PANDORA | 7 | Earth-like planet from "Avatar" that is inhabited by the Na'vi tribe |
| 45% | SOLARIS | 7 | Planet from the eponymous book that is depicted as covered by a single massive ocean |
| 39% | PANDORA | 7 | The moon inhabited by the Na'vi |
| 38% | VULCAN | 6 | Planet from "Star Trek" that was the home planet of the alien Spock |
| 38% | PLUTO | 5 | Planet that was dropped from the list of planets |
| 38% | ERASABLE | 8 | Like ink that can be removed from the page |
| 37% | REACH | 5 | "___ for the Stars," track by will.i.am that was the first song to be broadcast to Earth from another planet |
| 37% | MILK | 4 | Sour ___, beverage from "Alien Nation" that is liked by the Newcomers |
| 37% | EARTH | 5 | "Wait, that doesn't look like ___. Where's the blue sky?" Dialogue from "Wall-E" that hints at a dystopian future where our planet is abandoned |
| 36% | MARSATTACKS | 11 | "___!," 1996 comic sci-fi film directed by Tim Burton, starring Pierce Brosnan which is based on spaceship that left Earth to return to the red planet: 2 wds. |
| 36% | KEA | 3 | Mauna ___, volcanic mountain that is the tallest on Earth when measured from its underwater base |
| 35% | LIRA | 4 | Currency from 45-Down that was replaced by the euro |
| 34% | KRIS | 4 | (3/3) ___ Kringle is another name he goes by that comes from the German word Christkindl |
| 34% | FIRE | 4 | Did you know that the book "___ from Heaven" by Mary Renault is about 44a's childhood? |
| 33% | COAL | 4 | 31-Across poem that begins, "I / Is the total black, being spoken / From the earth's inside" |
| 33% | ROBOT | 5 | Invention that was first mentioned in the sci-fi novel "R.U.R" by Karel Capek from which the name was derived |
| 33% | BLACK | 5 | "___ Balloon," hit song by the Goo Goo Dolls from their album "Dizzy Up the Girl" that was nominated for a Grammy in 2000 |
| 32% | BODES | 5 | ___ Law, which said (erroneously) that each planet is twice as far away from its star as the previous planet |
| 32% | BEHINDBLUEEYES | 14 | 1971 hit from the Who that begins "No one knows what it's like to be the bad man" |
| 32% | SUEZ | 4 | Canal that was blocked by the "Ever Given" |
| 32% | TALL | 4 | Like the Na'vi in "Avatar" |
| 32% | SOLARCAR | 8 | Vehicle that is powered by the sun: 2 wds. |
| 32% | IDS | 3 | Cards that are checked by the TSA, for short |
| 32% | PACIFIC | 7 | Ocean that is the largest on Earth |
| 32% | MARS | 4 | Planet being explored by the Curiosity rover |
| 32% | SOLAR | 5 | Energy that is derived from the sun |
| 32% | PLANET | 6 | "Escape from ___ Earth," 2013 animated comedy-adventure sci-fi film directed by Cal Brunker that features the voice of Jessica Alba |
| 32% | KEDGE | 5 | Light anchor dropped away from a ship so that the anchor chain can be used to move the ship by hauling |
| 31% | OLDIE | 5 | Song that is a blast from the past |
| 31% | WIKI | 4 | Online website that is edited by the masses |