| 1. | Physics and astronomy are cognate science .
物理学及天文学为同性质的科学。 |
| 2. | Astronomy inherits from astrology .
天文学的前身是占星术。 |
| 3. | He is reputed to have been a good astronomer .
他以一个优秀的天文学者闻名于世。 |
| 4. | Mathematics and astronomy are cognate sciences .
数学和天文学是互相关联的科学。 |
| 5. | He is said to be the founder of modern astronomy .
他被誉为现代天文学的奠基人。 |
| 6. | X-ray astronomy has made impressive progress .
X射线天文学已取得了引人注目的进展。 |
| 7. | This was the birth of astronomy .
这就是天文学的起源。 |
| 8. | One use for early astronomy was to create calendars .
早期天文学的用途之一是建立历法。 |
| 9. | The amateur astronomer will be well able to fulfill these .
业余天文学家是可能做到这些的。 |
| 10. | This is done in astronomy, with the help of the julian day .
天文学上就是借助儒略日来算的。 |
