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Which star is the coldest? Detailed answer

Big encyclopedia for children and adults

Directory / Big encyclopedia. Questions for quiz and self-education

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Which star is the coldest?

British scientists using the UKIRT telescope have discovered an object at a distance of about 50 light years from Earth, the surface temperature of which is only 430 ° C. Such bodies that have not gained mass, at which a nuclear reaction begins in a star, are called brown dwarfs or brown stars.

Author: Mendeleev V.A.

 Random interesting fact from the Great Encyclopedia:

Why is the diameter of the arena in any modern circus 13 meters?

The circus in its modern form appeared in the 18th century, and the Englishman Philip Astley is considered its "father". It was he who empirically established that it is most convenient for horses to run in a full gallop in a circle with a diameter of 13 meters. This diameter of the arena is observed today in most circuses in the world.

 Test your knowledge! Did you know...

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See other articles Section Big encyclopedia. Questions for quiz and self-education.

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