地球年龄

这地质学家出色地导出有关地球年龄。

The geologist theorized brilliantly about the age of the earth .

地球年龄之争

A great debate about the age of the earth

相对于非南极陨石，南极陨石由于大的地球年龄而具有更低的自然TL值。

Relative to non Antarctic meteorites , Antarctic meteorites have lower level of natural TL due to their large terrestrial ages .

这比“创世说”的推崇者们所说的地球年龄要长得多。

This was far longer than the age of the Earth , according to the Creationists .

这一数字甚至大过了换算成纳秒单位的地球年龄。

The number of possible options would exceed the number of nanoseconds that the Earth has existed .

估计地球的年龄大约为46亿年。

The age of the earth is reckoned at about 4 600 million years .

地质学家已经计算出了地球的年龄。

Geologists have calculated the age of the earth .

用这个办法推算出地球的年龄是数亿年。

By this means the age of the earth had been estimated at several hundred million years .

他采用当时已知的热力学原理来计算地球的年龄。

He applied the thermodynamic theory that had been known to calculate the age of the Earth .

毕竟，地球的年龄也是它的重要特征，其给予复杂的生命体以时间在其表面繁衍生息。

After all , one important feature of the earth is its age , which has given time for complex life to evolve on its surface .

按照生长速率估计，这个巨型蘑菇是年龄应该为2400岁，但科学家猜测，它的实际年龄可能有8650岁&地球上年龄最大的生物之一。

Based on its current growth rate , the fungus is estimated to be2,400 years old but could be as ancient as8,650 years , which would earn it a place among the oldest living organisms as well .

人们对地球和太阳年龄的认识相当模糊。

Knowledge about the age of the earth and the sun was very hazy .

因此，他期望通过观察地表和地内的温度差别（即所谓地温梯度）来推测地球的形成年龄。

Therefore , he expected to speculate the formation age of the Earth by observing the difference in temperature of the interior and surface ( so-called geothermal gradient ) .

因为他们一点也不像有大猩猩的基因啊~人类又是怎么得知地球十亿年的年龄的（十亿这个数字可真是不小啊）。

They don 't look anything alike to those creatures . How come humans know the age of our planet we are talking about billions and that number is not small .

此外，男性比女性更相信外星人藏身地球的说法，比例分别为22%和17%。调查显示，多数相信外星人存在于地球的人年龄在35岁以下，而且各收入阶层的人都有。

More men than women -- 22 percent vs 17 percent -- believe that alien beings are on earth . Most of those believers are under the age of 35 , and across all income classes , the survey showed .