天文学

• A prominent soviet astronomer puts it well .
  一位著名的苏联天文学家对此有过十分精辟的描绘。
• Astronomers have never before observed such a phenomenon .
  天文学家们过去从未观察到这种现象。
• The ancient astronomers divided zodiac into 12 equal segments .
  古代天文学家把黄道带分为12等分。
• It is the only tangible object the astronomer can handle .
  这是天文学家能够掌握的唯一可接触的对象。
• Astronomers had not previously needed to devise such a mechanism .
  天文学家无需急于去探寻这种机理。
• Astronomy is a mathematical science, an "exact" science .
  天文学是一门数学的科学，是一门“精确”的科学。
• The compilation of such diagrams, is of lasting value for astronomy .
  绘制这样的图对天文学有永恒的价值。
• Radio astronomy today is armed with the largest antennas in the world .
  射电天文学拥有世界上最大的天线。
• 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。
• Astronomers have divided the celestial sphere into a total of 88 regions .
  天文学家已把天球划分为88个区域。