The globular cluster M13 is a cluster of old stars, which over time have been linked by the force of gravitational attraction.

It is a cluster with a radius of 73 light years and is located at a distance of 25.100 light years from Earth.

What is a light year?

A light year es a unit of lenght used by astronomers to locate elements in the universe.

Is the distance light travels in one year.

Therefore, it is considered:

one light year = 9.46*10^12 kilometers

m13ingles.txt · Última modificación: 24/04/2017 13:13 (editor externo)
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