Did you know?
It can take a photon 40 000 years to travel from the core of the sun to its surface, but only 8 minutes to travel the rest of the way to Earth.
It can take a photon 40 000 years to travel from the core of the sun to its surface, but only 8 minutes to travel the rest of the way to Earth.
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Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
Oscar Wilde