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p8RDQ TIL that Helium (He) is the only element on the periodic table that was not discovered on Earth. It was found when analyzing the sun’s spectrum, hence its name which comes from the Greek god of the sun Helios.
neEDb TIL Gold is an inert noble metal as it does not react with other elements. It is the most malleable and ductile of all known metals. An ounce of gold can be beaten into a sheet measuring 300 square feet or stretched into a gold thread 5 miles long.
e0xQD TIL Helium was first discovered on the Sun (named from the Greek word 'Helios', meaning "the Sun") through the analysis of the Sun's spectrum, and is the only element in the Periodic Table to be discovered some place other than Earth.