| amateur astronomer | 2.96 | .com. Amateur astronomers take note. | ||
| professional astronomer | 0.86 | And professional astronomers are doing the same. | ||
| american astronomer | 0.79 | The news agency did not identify the American astronomers or say how many would attend. | ||
| british astronomer | 0.46 | British astronomer Patrick Moore, backs the cause. | ||
| observational astronomer | 0.46 | Galileo was what today we might call an observational astronomer. | ||
| ground-based astronomer | 0.39 | Both are used to store the celestial imagery gathered by the telescope and relay it to ground-based astronomers. | ||
| planetary astronomer | 0.39 | Soon she began working with planetary astronomer David Jewitt. | ||
| italian astronomer | 0.33 | Otherwise you will fry your eyes, the way the famous Italian astronomer Galileo fried his. | ||
| the astronomer | 0.33 | I am not speaking of the few thousand astronomers, | ||
| dutch astronomer | 0.26 | Dutch astronomers detected these clouds of gas three decades ago, but had no way of determining how far away they were. | ||
| early astronomer | 0.26 | Early astronomers thought that our planet was the centre of the universe. | ||
| european astronomer | 0.26 | That discovery was made in April by a team of European astronomers. | ||
| fellow astronomer | 0.26 | Initially, fellow astronomers criticized his efforts in popularizing science as misguided and motivated by a desire for self-promotion. | ||
| modern astronomer | 0.26 | Modern astronomers are fascinated by Hale-Bopp for other reasons. |