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What do both theories assume to be true? We see distant galaxies as they were long, long ago because
What do both theories assume to be true? We see distant galaxies as they were long, long ago because
admin
2009-06-24
24
问题
What do both theories assume to be true?
We see distant galaxies as they were long, long ago because
选项
A、they were closer together then.
B、the universe has always looked as the same.
C、their light takes so long to reach us.
D、they have travelled such a long way.
答案
C
解析
由短文第四段中的"Since the very distant galaxies are thousands of millions of light years away,then we are seeing them as they were thousands of millions of years ago"可知答案。
转载请注明原文地址:https://kaotiyun.com/show/a0Td777K
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