› added 4 years ago

105

TIL There is a 2 foot wide panel studded with 100 mirrors on the moon, which astronomers can use to measure the distance between earth and the moon extremely accurately.

Read more science.nasa.gov

via reddit.com

Wk1k4 TIL of the Australian town of Cooper Pedy. 80% of the residents live underground to avoid the incredible heat above ground.
bJk7 TIL that Dubai uses slave labor to build their skyscrapers.
kJeXW TIL Most upmarket hotels now offer a pillow menu. You can choose from more common ones like feather or goose down or you can try some unique pillows such as anti-aging and lullaby.
R7067 TIL of Wilgefortis, a female saint whose distinguishing feature is a large beard, which grew after she prayed God to make her repulsive in order to avoid an unwanted marriage. She is the patron saint of women seeking refuge of abusive husbands, and the patron saint of facial hair
epw6n TIL one of the moons of Mars (Phobos) orbits Mars much faster than Mars rotates, and completes an orbit in just 7 hours and 39 minutes. From the surface of Mars it appears to rise in the west, move across the sky in 4 hours and 15 minutes, and set in the east, twice each Martian day.