Answer:
bessel
| Answer | Crossword Clue |
|---|---|
| BESSEL | Prussian astronomer. |
| BESSEL | Lunar crater named for an astronomer |
| BESSEL | German astronomer who was the first to measure the distance to a star |
| Answer | Crossword Clue |
|---|---|
| BESSEL | Prussian astronomer. |
| BESSEL | Lunar crater named for an astronomer |
| BESSEL | German astronomer who was the first to measure the distance to a star |