Theta radiation

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A Malon export vessel releases
a theta radiation cloud

Theta radiation, also known as theta-band emissions, is a radiation emitted by contaminated antimatter byproducts.

Theta radiation poisoning is extremely dangerous to the health of humanoids, with one of the first symptoms being hallucinations.

  • The final stages of theta radiation poisoning involve the degradation of major body organs.



Theta radiation can impede sensor scans. High enough concentrations can disrupt subspace, collapsing the warp fields of nearby starships.

Transporter biofilters can stop theta radiation from entering a ship.


After the Borg attack on Earth in 2063, Lieutenant Commander Data determined that the damaged warp ship Phoenix was emitting theta radiation, due to a damaged throttle assembly.



The Malon civilization produces nine billion isotons of antimatter waste a day.

  • This waste is dumped in open space by the waste export industry, contaminating those regions with theta radiation.
  • The crews of Malon export vessels also suffer from long-term theta radiation exposure.


Presumably, theta radiation is closely related to the more general antimatter radiation.