There’s an insane optical illusion that makes a full moon look squished — here’s why it happens
Why does that happen?
It’s actually an optical illusion created by Earth’s atmosphere. The ISS orbits Earth 250 miles above the surface, which is well above the planet’s lower atmosphere.
This crazy trick-of-the-eye happens when the moon and the ISS are on opposite sides of the Earth. The light that bounces off the moon and into the astronauts’ eyes has to first pass through Earth’s atmosphere, which bends the light, distorting the image. Check out this amazing Vine of the same effect:
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