| 1. | It should be capable of detecting exoplanets smaller than the earth
这架望远镜能够侦测到体积比地球还小的系外行星。 |
| 2. | It has been designed to spot exoplanets bigger than twice the size of the earth
这艘太空船是用以捕捉体积在地球两倍以上的系外行星的踪影。 |
| 3. | All but three appear , by their great size and low density , to be gas giants
这些系外行星都是体积庞大且密度极低的气态巨星，只有三个例外。 |
| 4. | Most of the exoplanets discovered so far are much closer to their host stars than the ice line
至今所发现的系外行星中，大多行星同主星的距离小于冰线。 |
| 5. | The first such new world was discovered in 1993 by researchers at pennsylvania state university
1993年，宾夕法尼亚州立大学的研究人员首次发现了一颗系外行星。 |
| 6. | Since 1991 observers have discovered some 120 exoplanets ? worlds outside our solar system
自1991年起，天文学家已在我们太阳系外的世界，发现了大约120个系外行星。 |
| 7. | In this lecture , the history of discovery , detection methods , special stories and prospect will be discussed
这讲座探讨了系外行星发现的历史、方法、故事与展望。 |
| 8. | If so , then some of the mostmassive exoplanets found to date might better be classified as failed stars
如果真是这样，那么我们把现在所发现的大多数大质量的系外行星规为夭折恒星。 |
| 9. | Another version has it that large and small protoplanetary discs of the same mass may form exoplanets differently
另一种说法认为大小不一但质量相同的原行星盘就可能形成各自不同的系外行星。 |
| 10. | This insight raises the possibility that the universe contains many more exoplanets than was previously thought
这种观点提出了这样一种可能性，即宇宙中实际的系外行星数量比之前预想的要大得多。 |
