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Do they vary over the lifetime of the universe? And some clever astronomers have found a way to look at the spectra of quasars and look at and determine whether the fine structure
constants that we use all the time in atomic physics, whether those constants are truly constant. Or whether -- whether the word constant is
a misnomer. So it's a very exciting brew of science questions that we get to look at each year. Let me spend a little time on exoplanets because
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