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TIL Astronomers discovered a bizarre rogue planet wandering the Milky Way. The free-range planet, which is nearly 13 times the mass of Jupiter and does not orbit a star, also displays stunningly bright auroras that are generated by a magnetic field 4 million times stronger than Earth's.

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RkL9 TIL a small amount of alcohol (up to 1.5 oz of 90 proof) has been shown to improve pronunciation of second languages even while decreasing digit and symbol proficiency.
XElRE TIL the dollar bill has been the same since 1929. The reason is that the government thinks no one would take the trouble of counterfeiting such a low denomination currency and hence it does not need the fancy updates or security features seen in the higher value currencies.
jJGj TIL there is a ‘ghost town’ in New York City - “The Hole”, an area of Queens built too close to the water table, is mostly abandoned, usually flooded, and was once a body-dumping ground for the mafia.
E1YLX TIL in Norway, everyone's salary is public record and available online.
rRVGd TIL in 1898, some 73% of Alabama's entire annual state revenue came from convict leasing.