求一句英语句子

20到30字之间，要超复杂，从句越多越好，并且要详细的解析，要超详细，并带翻译

What force is responsible for solar winds - the stream of charged particles contributing to geo-magnetic storms that affect electrical and communications systems on earth - given that no organized wind has been detected at the sun's surface?
既然并没有侦测到成型的风在太阳表面发生，那么，是什么力量造成太阳风——即反应中的密集粒子流，会导致地磁风暴从而影响地球上的电子和通讯系统的呢？

Many Americans also say they remember what they were doing when man first walked on the moon on July20,1969.

许多美国人还说，他们记得1969年7月20日，当人类首次在月球上行走的时候他们在干什么。

这个句中含有两个宾语从句和一个时间状语从句。

they remember what they were doing when man first walked on the moon on July20,1969.做say的宾语；

what they were doing when man first walked on the moon on July20,1969.做remember的宾语；

when man first walked on the moon on July20,1969. 做what they were doing 的时间状语。

Tomorrow we will go on a picnic,so I think that he have already finished the homework which Mr.Wang assigned on the day before which I had took part in his birthday party.