Description

Excerpt from the “Immaculate Constellation” paper.
I find the Unique emission bit is very telling
Behaviors
Demonstrates a wide range of behaviors, from controlled maneuvering to erratic patterns of movement. Shape-shifting abilities have been reported.

Biological Effects
Observations include physical sensations of warmth or cold, unexplained smells (e.g., ozone), and psychological distress.

Unique
Emissions
The floating-brain/jellyfish UAPs occasionally exhibit 'patterned' luminescence or fluctuating lights/colors (typically only visible in the higher-end of the electromagnetic spectrum).

Atmospheric Phenomena
Sudden temperature drops, and the appearance of clouds have been reported.