Edwin Hubble was mystified why the light analysis of certain stars showed a 'red shift', until he realized that they were entire galaxies moving away from us at tremendous speeds.
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predicament -
A state of uncertainty or hardship, often with a situation that involves a problem.
He found himself in a predicament when his car broke down in the middle of nowhere without any cellphone service.
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Feverishly -
In a highly excited or frantic manner, often due to intense emotion or urgency.
He searched feverishly through his bag, trying to find his lost passport.
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vague -
Not clear
Joe got into the car to drive to the nearest mountain, even though he had only a vague idea of how to get there.