In astronomy, what are vast spaces which contain very few or no galaxies called?

Myles B.67459, Description The parsec is a unit of length used to measure the large distances to astronomical objects outside the Solar System. One parsec is approximately equal to 31 trillion kilometres, or 210,000 astronomical units, and equates to about 3.3 light-years.Wikipedia h ha

what the hell is a megaparsec?

Myles B.67459, astronomical distance measurement unit greater than lightyear

ChampionNymph37634, makes sense to me

MANILVA, Totally agree with you, sometimes the answers our very technical and I imagine only the highly intellectual minds can understand what it actually means. I read it like a lot of answers on here and thought, yep, I don't get it, techno jargon at its finest.

Myles B.67459, The opposite of a "miniparsec".