| 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) |
| WEBB | James, NASA administrator after whom a space telescope launched in 2021 is named (4) |
| PAULMCCARTNEY | Former Beatle whose Maracana Stadium concert in 1990 is the second highest-attended ticketed concert for a single artist: 2 wds. |
| PHIL | This Mitchell man, who has been a character in Eastenders since 1990, is something of an Anglophile (4) |
| HUBBLE | US astronomer after whom a space telescope is named |
| CHRISTIAANHUYGENS | Dutch astronomer after whom a space probe was named which landed on Saturn's moon Titan, in 2005 (10,7) |
| LALANDE | Jerome ___, French astronomer after whom a crater on the Moon is named (7) |
| HALLEY | Edmond _, English astronomer after whom a comet is named (6) |
| KUIPER | Gerard, astronomer after whom a belt of many comets is named (6) |
| LEAVITT | Henrietta Swan __, US astronomer after whom a crater on the moon is named (7) |
| KEPLER | Space telescope launched in 2009 |
| CASSINI | Discoverer of the division in the rings of Saturn after whom a space probe (with Huygens) is co-name |
| EUCLID | Space telescope launched by the European Space Agency in July 2023 to study dark matter and dark energy (6) |
| HYPERION | This moon is notable in that it has no regular rotation period but tumbles in an apparently random fashion in its orbit. It was discovered in 1848 by the American astronomers William Bond and George B |
| PIPEX | The UK's first internet service provider (launched in 1990) (5) |
| HONDANSX | Japanese mid-engined supercar launched in 1990 (5,3) |
| PHOEBE | This moon was discovered by the American astronomer William Henry Pickering in 1899. Roughly spherical and about 210 km (130 miles) in diameter, this moon has a mean distance from Saturn of about 12,9 |
| PRIMERAS | Nissan models launched in 1990 (8) |
| IMDB | Site with film info that launched in 1990 |
