Recent content by Stephen Wilde

"I am a bit confused by this statement. By "appearing", are you referring to their formation and activity, or as an illusion (i.e. artifact) that these things only seem to occur. Got this crazy notion that you are suggesting that matter is being created and destroyed, which I believe contradicts...

However the universe began, the distribution of matter, temperature, pressure and gravity is clearly uneven. Thus convection away from and towards the centre of mass / gravity must inevitably develop. Warmer, less dense regions will move away from the centre and cooler, more dense regions will...