Barns Are Painted Red Because of the Physics of Dying Stars.


https://www.smithsonianmag.com/smart-news/barns-are-painted-red-because-of-the-physics-of-dying-stars-58185724/?fbclid=IwAR0MczsySdJUEAGGWkXl7qWJEYV2MCddl4aV9S71aQz0GxrvMLuLpRqPa1w

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