Question

How many miles across is the universe? How is it measured?

Answer 1

92 billion light years.

Explanation:

Astronomers do not measure distance in miles, the number becomes too large too quickly. The light year is the standard measure. A light year is `6.2 xx 10^12` miles. `92` billion light years equates to `9.2 xx 10^9`. Multiply the two and you get `5.7 xx 10^22` miles.