中微子与X射线天文学的诞生

评述了2002年度诺贝尔物理学奖获得者的成就与贡献，并介绍了有关的物理学背景。     

High-energy gamma-ray astronomy

Gamma-ray astronomy above 10 MeV is difficult from the experimental point of view, but promising data are beginning to appear, as this survey progress report shows.     

Frequencies for radio astronomy

At present the scope of research in radio astronomy is limited by the allocation of frequencies, some of which have to be shared with other radio services. When the International Telecommunications Union reconsiders all frequency allocations next year, astronomers are hoping for an improvement.