(November 5, 2014 at 10:20 pm)Heywood Wrote:(November 5, 2014 at 10:12 pm)Parkers Tan Wrote: X-rays are physical evidence, aren't they?
X-rays are evidence of super heated gas. The reason it is superheated is because its believed to be circulating around a black hole. X-rays are indirect evidence.
Indeed. Indirect, physical, evidence.


