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87

TIL there's a hypothesis the moon Phobos may cycle between being a moon and a ring system around Mars. It reaches the Roche limit and breaks up into rings then slowly reforms, getting smaller each time. We were just born in a time when it is a moon not a ring system.

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Wkd88 TIL that no new chemical element was discovered in an US laboratory since Seaborgium (Z=106) in 1974; Livermorium (Z=116) and Tennessine (Z=117) are named after American toponyms, but they were actually discovered in Dubna, Russia
5wBP TIL Nevada is the owner of the mcfarthest spot: the spot in US that is the most distant from a McDonalds. The nearest McDonalds is 115 miles from the spot.
6ydX TIL that in 1900, 38% of cars were electrically powered
nWLBY TIL The Taiping Rebellion was lead by Hong Xiuquan, who believed he was the brother of Jesus Christ.
M70y0 TIL the US has the most volcanoes of any country, with 162 volcanos, 40 of which have been active since 1960, BUT 55 of Indonesia's 120 volcanos have been active since 1960.