The ESA astrometry satellite HIPPARCOS will be launched in the first part of 1988 or later.
欧洲空间局专门用作空间天体测量的伊巴谷卫星将于1988年上半年发射。
2
Most astrometry software packages use the Guide Star Catalogue, so a CD-ROM drive is also required.
很多天文软件包都使用引导星目录库,所以配置一个光驱也视必要的。
3
The planet, called VB 10b, was discovered using astrometry, a method inwhich the wobble induced by a planet on its star is measured preciselyon the sky.