Where is the oldest observatory located? Detailed answer

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Where is the oldest observatory located? Detailed answer

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Where is the oldest observatory located?

In a cave in Brazil, archaeologists have discovered rock carvings of the constellations and the position of the Sun in them, which are about 10000 years old. According to scientists, the cave was used as an observatory. 4000 years ago, the Celts knew what the path of the Sun was in the sky. The stone ring of Stonehenge with amazing accuracy indicates the places of sunrise and sunset on the longest and shortest day of the year.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

What animals are able to remove foreign objects from their body through the bladder?

Frogs are able to remove foreign objects from their bodies through their bladders. This discovery was made by Australian scientists by accident. During the experiments, they implanted transmitters into the bodies of frogs. A few weeks later, the frogs were caught and found that most of the devices had moved into the bladders, and some came out with the urine. It turned out that when a foreign body appears, soft tissues begin to grow to it, which gradually envelop the object and draw it into the bladder.

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