It means that the globules were not a result of any other source of illumination. Their existence is apparently a result of the poltergeist activity.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
IvanhrIt means that the globules were not a result of any other source of illumination.
IvanhrOk, I did understand the globules were sources of light so they didn't need any other illumination to be seen.