11.   .com. Amateur astronomers take note.

12.   A Japanese amateur astronomer, Isshi Tabe, found records of the ancient impact on Jupiter while studying documents in the library of the Paris Observatory.

13.   But the area has produced four professional mathematicians, one astrophysicist and several dozen impassioned amateur astronomers.

14.   But the area has produced four professional mathematicians, one astrophysicist, one painter of heavenly bodies, and several dozen impassioned amateur astronomers.

15.   But Thomas Bopp, an amateur astronomer and co-discoverer of the comet known as Hale-Bopp, would give shorter odds.

16.   CIR-ASTRO-SOFTWARE Review of software for amateur astronomers.

17.   For one thing, the comet is said to have been discovered about two years before the predicted impact, by amateur astronomers at a star party.

18.   He is also one of the few amateur astronomers ever to make such a discovery.

19.   Hyakutake was remarkably clear, without binoculars overnight Tuesday and Wednesday, said amateur astronomer Steve Welch of Hayward.

20.   In addition to first-time buyers, stores reported sales of eyepieces and other accessories to more advanced amateur astronomers looking for the best views of Jupiter.

a. + astronomer >>共 88
amateur 19.91%
professional 5.75%
american 5.31%
british 3.10%
observational 3.10%
ground-based 2.65%
planetary 2.65%
italian 2.21%
the 2.21%
european 1.77%
amateur + n. >>共 530
sport 2.90%
boxer 2.42%
draft 2.34%
photographer 2.03%
team 2.03%
astronomer 1.95%
player 1.95%
radio 1.95%
status 1.95%
champion 1.90%
每页显示:    共 45