Sentence:  Next we freeze over the oceans and cover the whole earth with peas , then we <WSD>go</WSD> out among the neighboring stars , collect 250 planets each the size of the earth , and also cover each of these with peas four feet deep ; and then we have septillion . 
Meaning of the word marked with <WSD> tags:  change location; move, travel, or proceed, also metaphorically