How true is the matter antimatter version of the Universe? The theory arose mainly out of theoretical considerations. According to this theory matter and antimatter particles are always produced as a pair and, if they come in contact, annihilate one another, leaving behind pure energy. The...
https://www.space.com/einstein-general-relativity-frame-dragging.html?utm_source=notification&jwsource=cl
Space-Time is relative-not fixed absolute,like Einstein`s General Relativity Theory predicted over 100 years ago !