› added 3 days ago

TIL : The “Penn” in Pennzoil stands for Pennsylvania.

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d8PMB Today I Learned that Ton 618 is the largest super massive black hole with a scary large mass of 44 billion suns. It is also one of the brightest objects in the universe.
0wLjR TIL about Tidal locking when rotation and translation takes the same time. For example, the same side of the Moon always faces the Earth. And almost all bodies will eventually be tidal locked.
OG4J7 TIL that snot becomes yellow when you're sick because of chemicals released by white blood cells that are in the mucus to fight infection; green snot indicates even higher levels of those chemicals
X0wNk TIL of the ISSpresso, an espresso machine designed for use on the International Space Station.
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