| 100% | NERI | 4 | Rodolfo _____, first Mexican astronaut |
| 49% | OCHOA | 5 | First Mexican golfer to be ranked #1 |
| 48% | SHARMAN | 7 | First British astronaut, Helen __ |
| 48% | NEIL | 4 | First name among astronauts |
| 46% | CUARON | 6 | Alfonso, first Mexican to win Best Director Oscar |
| 45% | MAE | 3 | First African-American female astronaut Jemison |
| 45% | ALAN | 4 | Astronaut Shepard, first American in space |
| 45% | ENERO | 5 | First month on a Mexican calendar |
| 44% | MAE | 3 | Astronaut Jemison, first Black woman in space |
| 44% | EILEEN | 6 | Astronaut Collins, first female Space Shuttle commander |
| 44% | SHARMAN | 7 | Helen __, first British female astronaut |
| 43% | ALFONSOCUARON | 13 | First Mexican to win the Best Director Oscar (for "Gravity"): 2 wds. |
| 43% | GUION | 5 | Astronaut ___ Bluford, the first African-American in space |
| 43% | GLENN | 5 | First U.S. astronaut to circle the earth |
| 43% | SHARMAN | 7 | First British astronaut to visit MIR space station |
| 43% | CARRANZA | 8 | Venustiano, first president of Mexican republic |
| 42% | MOON | 4 | Where astronauts first landed in 1969 |
| 42% | NEILARMSTRONG | 13 | First astronaut to walk on the moon: 2 wds. |
| 42% | ALAN | 4 | Astronaut Shepard who was the first American in space |
| 42% | OCHOA | 5 | Astronaut Ellen who was the first Latina in space |
| 42% | ELLEN | 5 | Astronaut Ochoa who was the first Latina in space |
| 41% | CHRISTINA | 9 | __ Koch, astronaut on first all-female spacewalk |
| 41% | JOHNYOUNG | 9 | The first astronaut to make five spaceflights |
| 41% | MONTEREY | 8 | __ Jack, cheese first produced by Mexican friars |
| 41% | SHARMAN | 7 | Helen __; first British astronaut |
| 40% | RIDE | 4 | Astronaut Sally who was the first American woman in space |
| 40% | MAE | 3 | Astronaut Jemison who was the first Black woman in space |
| 40% | OCHOA | 5 | Astronaut Ellen who was the first Hispanic woman in space |
| 39% | SCHIRRA | 7 | Astronaut Wally, the first person to go into space three times |
| 39% | MAE | 3 | Astronaut Jemison who was the first African-American woman in space |