Why the stars blinking?
The stars in the sky are blinking because their light must penetrate the atmosphere to protect the earth, which always fluctuates in temperature and density.
On bad nights, stars look like they are constantly moving because their light is refracted in one direction or another. The scene looked like watching a dancing coin at the bottom of the water.
Astronomers avoid this flicker by using a special telescope, which consists of many small mirrors that are continuously adjusted to match the disturbance in the atmosphere.
MT
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