Hermit
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Most likely, the universe has a spherical shape, is expanding (perhaps only for now), and its size at the first moment of its existence was 10-27 centimeters. The "Big Bang" began after 10-35 seconds, and by that time, the universe had a diameter of 1 cm. The age of our universe is 15 billion years. There are other universes besides ours.
Всё не так плохо как Вы думаете. Всё намного хуже!