| 1. | Tpf terrestrial planet finder
类地行星发现者号 |
| 2. | Pluto is not classified into either the terrestrial or jovian planets due to its special features
冥王星可算是九大行星中的蝙蝠，它不是类地行星，亦不属于类木行星。 |
| 3. | The smaller rocky worlds are mercury , venus , earth and mars . the four huge gas planets are jupiter , saturn , uranus and neptune
类地行星是水星、金星、地球和火星。四类木行星木星、土星、天王星和海王星。 |
| 4. | A planet that may be earth - like - but too hot for life as we know it - has been discovered orbiting a nearby star
最近，天文学家新发现了一颗类地行星，它围绕着附近的一颗恒星运转。但从已知情况来看，其表面温度太高，不适合生命生存。 |
| 5. | Its density is roughly 2 . 3 times that of water . usually , the jovian planets have density less than 2 , while terrestrial planets have density more than 5
冥王星的密度约为水的2 . 3倍通常来说，类木行星的密度会小于2 ，而类地行星的密度则大于5 。 |
| 6. | The latest computer models are telling scientists that more than a third of the star systems containing jupiterlikegas giants may also harbor earthlike planets
最新的计算机模型显示,包含有类似木星这样的巨形气态行星的星系有1 / 3可能孕育出类地行星 |
| 7. | " we will be able to isolate the light of these planets and tell whether or not the planets we are looking at are giant planets or earth - like planets , ” said mr
我们将有能力将这些星球的光谱分离出来，并辨别我们所观测的行星是巨型行星还是类地行星。 |
| 8. | Although we may never be able to verify this hypothesis on earth , we may be able to test it indirectly by observing earth - like planets orbiting other stars
纵使这个假说可能永远无法在地球上获得验证，但藉由观测环绕其他恒星运行的类地行星，或许能间接验证。 |
| 9. | Plagioclase widely spreads across the earth surface , and causes relevant geological movements such as landslide and debris flow , which become one of most broad and severe geological catastrophes
本文采用比较行星学的方法，认为陨击作为太阳系普遍的地质过程，地球跟太阳系其他类地行星受到陨击的情况是相类似的。 |
| 10. | If such planets exist , these missions ? nasa ' s terrestrial planet finder and esa ' s darwin ? should be able to scan their atmospheres for the presence of gases that would indicate the existence of life
如果真的有这类行星存在， nasa的类地行星搜寻者，以及esa的达尔文计画等任务，将得以探测它们的大气，寻找象徵生命存在的气体。 |
