› added 3 years ago

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TIL astronomers have found an exoplanet with rings similar to Saturn

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mxB6v TIL The original Macintosh computers were sold with 9" screens that were 72 pixels per inch. This size was chosen because their printer would print at 144 ppi, exactly double the screen. This way the printed text and the screen text would end up being exactly the same size.
4o6a TIL in 1987 a 19 year old German flew a small plane across Russia to Moscow and landed it in Red Square without being detected by Soviet authorities.
jjvR TIL Those gray bugs that you can find under a brick that roll up into a ball can be kept as pets; and if taken care of, can live up to 3 years.
gMAGX TIL you shouldn't let dogs chase laser pointers. Unlike cats, dogs thrive on closure, and chasing laser pointers never provide any, which is frustrating for your dog and messes with their head. Doing so can lead to behavioral disorders for your dog.
D170e TIL Some organisms besides humans have passed the mirror test which scientists say suggests they have "self-awareness".