Science For Sleep | How Big Is the Observable Universe Really?
Автор: Science Before Sleep
Загружено: 2026-02-23
Просмотров: 10219
Описание:
The observable universe sounds like everything — but it isn’t. In this episode, how big is the observable universe really becomes a quiet journey into the limits of light, distance, and time.
What we can observe stretches about 93 billion light-years across, not because the universe is that old in one direction, but because space itself has been expanding while light travels. Beyond this vast sphere lies more universe than we will ever be able to see, cut off not by walls or edges, but by the simple fact that light hasn’t had time to reach us.
Let this gentle look at how big the observable universe really is soften your sense of scale.
Breathe slowly. Let the idea of unseen distances fade into calm rather than overwhelm. And rest in the stillness of a universe where even everything we can see is only a small part of what exists.
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