With all this expanding, how wide is the universe... - Deepstash

With all this expanding, how wide is the universe today? About 100 billion light years – that’s the distance light can travel in a year times 100 BILLION. And light is fast . It travels 300,000 km (or 186,000 miles) per second . That’s this much in a year: 9,460,800,000,000 or about 9.5 trillion.

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tomjoad

Introverted Extravert

A Short History Of Everything - Book Summary

The idea is part of this collection:

The Philosophy Of Alan Watts

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