1 He felt much as an astronomer feels who has discovered a new planet -- no doubt, as far as strong, deep, unalloyed pleasure is concerned.
2 He felt much as an astronomer feels who has discovered a new planet -- no doubt, as far as strong, deep, unalloyed pleasure is concerned, the advantage was with the boy, not the astronomer.
3 He felt much as an astronomer feels who has discovered a new planet--no doubt, as far as strong, deep, unalloyed pleasure is concerned.
4 An astronomer can determine the brightness of each star.
5 A new star attracted the notice of the astronomer.
6 The government seems willing to spend astronomical sums on weapons development.
7 The photosphere of an astronomical object is the region from which externally received light comes.
8 Light - year is an astronomical unit.
9 He was an expert on ancient Chinese astronomical literature.
10 Early astronomers thought that our planet was the centre of the universe.
11 It is good to recall that astronomers cover only a tiny fraction of the sky at any time.
12 No meteor shower is more spectacular than the annual Perseid showers which astronomers consider one of the most rewarding sky watching events of the year.