According to the Fifth Doctor, positive ions were rays that bombarded the Eye of Orion, making it calm and tranquil. (TV: The Five Doctors)
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.