【摘要】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,
【关键词】
全文来源于知网
Student Travel
Brad Franklin
2013
13356
0
￥:0
收藏
你看你看,岁月的脸
Charles Simic , 赵昆仑
2013
13457
0
￥:0
收藏
Entrepreneurs
英国大使馆文化教育处
2013
13565
0
￥:0
收藏
Call Me Slam——Excerpt from Slam
2013
13604
0
￥:0
收藏
信息动态
2013
13663
0
￥:0
收藏
