astronomy

• Astronomy , as distinct from astrology , is an exact science .
  天文学是一门严谨的科学，与占星术完全不同。
• Interest in high-energy astronomy deepened in 1976 and 1977 .
  1976年和1977年人们对高能天文学的兴趣更为浓厚。
• The work on systems dealt primarily with problems of astronomy .
  有关方程组方面的著作主要是讨论天文学的问题。
• The mathematical material is presented in chapters of work on astronomy .
  数学材料是夹在天文著作的篇章里讲述的。
• Radio astronomy has greatly increased our understanding of the universe .
  辐射天文学大大地增进了我们对宇宙的了解。
• His contributions have run through virtually all fields of modern astronomy .
  他的贡献几乎遍及现代天文学的所有领域。
• It has enriched astronomy with many discoveries of extraordinary importance .
  它以大量头等重要的发现丰富了整个天文学。
• Astronomy served many purposes. for one thing, it was needed to keep a calendar .
  天文学有许多用处，其一是要用它来算出历书。
• Nowadays astrophysics and astronomy have come to mean almost the same thing .
  今天，天体物理学和天文学的含义已经变得差不多一样了。
• The aim of this chapter is to provide a brief survey of the fundamentals of spherical astronomy .
  本章将简述球面天文学的基本知识。