| Answer | Crossword Clue |
|---|---|
| EROS | Asteroid discovered 1898. |
| EROS | Asteroid discovered in 1898 |
| EROS | Asteroid discovered in 1898. |
| EROS | Asteroid first seen in 1898 |
| CERES | First asteroid discovered. |
| CERES | First discovered asteroid |
| CERES | First asteroid discovered |
| CERES | First-discovered asteroid |
| CERES | First asteroid ever discovered |
| EROS | First near-Earth asteroid to be discovered |
| eros | asteroid discovered in the 19th century that approaches earth every 44 years |
| eroses | asteroid discovered in the 19th century that approaches earth every 44 years |
| ceres | the first asteroid to be discovered, being the largest and one of the brightest |
