It may "in reality" have happened 3.8b years ago
then wouldn't it be more correct to say that we're about to witness an event that probably happened about 3.8 billion years ago rather than suggesting the event is about to happen 3.8 billion light years away? Since that is the reality of the situation ?
When you try to stretch words in this way they lose all meaning.
Using an accepted definition is not "stretching words."
I have to go with "Your Master" on this one
Here is an example: ! Using "literally" to mean figuratively, to the point that Websters now lists "literally" as a term that means "virtually"! "http://www.merriam-webster.com/dictionary/literally" - If that isn't a sufficiently obvious case (for you) of an accepted definition of a word that stretches it to the point of losing it's meaning then perhaps vocabulary lessons in English are in order?
Harm is not hurt. Financial loss is not pain. A business is not a person. A sit-in is not violence.
This is the the biggest contributor to the development of antibiotic resistant strains of bacteria. Period!
When bad men combine, the good must associate; else they will fall one by one, an unpitied sacrifice in a contemptible struggle. - Edmund Burke