Wiktionary
n. (point source English)
Usage examples of "point sources".
But the arrays are closing in, and so far it looks like a half-dozen or so point sources.
Most of what we saw before seems to be clustered in those ruins, but I'm getting a line of weak point sources about ten klicks to the south.
The point sources are way too dense for a good count, but there could be an entire battalion in there.
There are power sources down there, but they're also extremely well shielded-so well that even Tadislaw's drone can't isolate point sources reliably.
Very faint lights, like distant point sources, and a very pale glow as of midnight in a summery place, shone down from the ceiling, partially blocked away by the gently moving shadows of leaves and branches.
They make it one-sixty-plus point sources approximately two-four-point-four-seven light-minutes from the primary at zero-eight-five, right on the ecliptic.