Temporal radiation

The Eighth Doctor theorised that Liv Chenka was reminded of her date with Martin Donaldson at the National Museum by temporal radiation given off by the temporal anomaly that they were after. (AUDIO: The Red Lady) Dangerous levels of temporal radiation were given off by the planet Golgalith during the War in Heaven due to the fallout from the Battle of Golgalith; close contact with the planet warped members of the Enemy after the Fifth Time Fleet hurled the planet at them, earning the Great Houses a victory. (AUDIO: Eternal Escape)