The lack of a strong gravitational pull has caused any water the moon may have had to leak out into space over the 4.6 billion years that it has been in existense. In this sentence, can we insert the phrase 'during 4.6 billion years' instead of the phrase 'over the 4.6 billion years'?Thanks a lot.
Top answer
6 billion years.
— Teechr
6 billion years.
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You can use "during the 4.6 billion years" in that sentence, but "over the 4.6 billion years" sounds better because "during" can mean any time, whereas "over" implies a more even process- over the duration of the 4.6 billion years.