Surprisingly this is an ambiguous question to answer due to the nature of the expanding universe, but if the statement is that "the origin is 2.5 billion light

Surprisingly this is an ambiguous question to answer due to the nature of the expanding universe, but if the statement is that "the origin is 2.5 billion light years away" it was _probably_ transmitted 2.5 billion years ago. http://curious.astro.cornell.edu/about-us/104-the-universe/cosmology-and-the-big-bang/expansion-of-the-universe/619-how-do-we-define-distance-in-an-expanding-universe-intermediate http://curious.astro.cornell.edu/about-us/104-the-universe/c...