horizon distance

horizon distance

(particle horizon) The total distance that a light signal could have traveled since the beginning of the Universe, and hence the maximum distance that can be seen in a cosmological model.

horizon distance

[hə′rīz·ən ¦dis·təns]
(geodesy)
The distance, at any given azimuth, to the point on the earth's surface constituting the horizon for some specified observer.
References in periodicals archive ?
Knowing this, you can find the horizon distance on any large world if you know its diameter compared with Earth's.
said, "We are very excited about the ability that Horizon Distance Learning will give us to reach out to our Sales force around the world on a more frequent basis.