I think you might mean "fascinating". Imagine how it would be to observe and follow a war between two total strangers across battlefields now many thousand years cold, by nothing more than the fossil light of their weapons discharges.
So the flashes in the sky could be enormous depth charges, thrown blind into the abyss to reduce narrow probability counts or ferret out the hidden home worlds.
Since an attack can be total, and come from anywhere, and you can never know if you fully succeeded, the peoples of Glurk-42 had a nervous disposition.