Question

question 4 (2 points)
what does the diameter of the observable universe measure in light - years.
a 93 billion
b 93 million
c 4.24
d 100,000

Explanation:

The diameter of the observable universe is approximately 93 billion light - years. This is based on current astronomical models and measurements. The other options: 93 million light - years is too small, 4.24 light - years is the distance to Proxima Centauri (the closest star to the Sun), and 100,000 light - years is the diameter of the Milky Way galaxy.

Answer:

A. 93 billion