And there was a time when 'MOST' people believed the Earth was flat or the Earth was in the center of the universe or that space travel was impossible. In other words, these are opinions of people and not fact. Those opinions turned out to be false in the end!
A true fact is something that is mathematically / scientifically demonstrable and measurable.
A true fact is something that is mathematically / scientifically demonstrable and measurable.



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