Explanation:
It happens when the moon is in the earth's shadow
And sun moon and earth is completely aligned
I believe it’s TRANSLATION, sorry if I’m wrong :) but it shouldn’t be wrong if your talking about DNA amino acids
I believe the answer is: Different scientists use different data for investigation.
I say that because different scientists have different equipment, ideas, and have different methods. I hope I was right and i hope it helped and i wasn't to late to answer this question.