Mikael Risedal

https://astronomy-imaging-camera.com/tutorials/everything-you-need-to-know-about-astrophotography-pixel-binning-the-fundamentals.html Here you can read the difference between CCD and cmos and ...

yes they do ,the benefit of pixel binning is to improve the signal-to-noise ratio in low light conditions at the expense of spatial resolution. Summation of many charge packets reduces the read...

I answer you , if you want a camera/sensor with twice the resolution of 12 Mp iPhone you need a 48 Mp camera/sensor.

twice the resolution ? didn't know Canon G1X mark 3 was a 48 Mp camera. Canon mark 3 has twice so many pixels,

And congratulation  to you prof  Eric Fossum