| CHRISTIAANHUYGENS | Dutch astronomer after whom a space probe was named which landed on Saturn's moon Titan, in 2005 (10,7) |
| CASSINIHUYGENS | U.S.-European space mission to Saturn launched in 1997. After multiple flybys of the planet and its moons, a probe detached from the spacecraft and landed on Titan in 2005. Controllers sent the remain |
| CASSINI | Discoverer of the division in the rings of Saturn after whom a space probe (with Huygens) is co-name |
| GALILEO | Named after the Renaissance astronomer, this unmanned space probe was sent to explore Jupiter |
| HUYGENS | Dutch mathematician, astronomer, and physicist, who founded the wave theory of light, discovered the true shape of the rings of Saturn. He discovered Saturn's moon Titan with a telescope in 1655. |
| DANCEFLOOR | I Bet You Look Good On The ____ , first UK No 1 hit for English rock band Arctic Monkeys in 2005 (10) |
| RESOLUTION | ___ Foundation, independent think tank founded in 2005 (10) |
| OUTCRY | Documentary not named which causes protest (6) |
| EDWINHUBBLE | American astronomer after whom a space telescope, launched in 1990, is named (5,6) |
| EDWIN | --- Hubble, American astronomer after whom a space telescope launched in 1990 is named (5) |
| HUBBLE | US astronomer after whom a space telescope is named |
| LEAVITT | Henrietta Swan __, US astronomer after whom a crater on the moon is named (7) |
| LALANDE | Jerome ___, French astronomer after whom a crater on the Moon is named (7) |
| WEBB | James, NASA administrator after whom a space telescope launched in 2021 is named (4) |
| LUNAR | The Eagle which landed on the moon in 1969 was Apollo 11's ... module |
| TETHYS | This moon was discovered in 1684 by the Italian-born French astronomer Gian Domenico Cassini and named for a Titan in Greek mythology. Its most impressive feature is Ithaca Chasma, a giant crack sever |
| HALLEY | Edmond _, English astronomer after whom a comet is named (6) |
| KUIPER | Gerard, astronomer after whom a belt of many comets is named (6) |
| EAGLE | Name of the lunar module which landed on the moon in July 1969 (5) |
| VIKING | N.A.S.A. space probe that landed on Mars in 1976 (6) |
