关于我们的地球:101个有趣的事实(6)
Question: How old is Earth?
问:地球年龄有多大?
Answer: Our planet is more than 4.5 billion years old, just a shade younger than the Sun. Recent evidence actually shows that Earth was formed much earlier than previously believed, just 10 million years after the birth of the Sun,
地球年龄、just、shade、after、old、Our、was、Sun
TP333.4(计算技术、计算机技术)
2012-04-21(万方平台首次上网日期,不代表论文的发表时间)
共3页
53-55