Recent content by peterhw

Wow, Many thanks. "JWST will be able to see stars billions of lightyears away " Sometimes the numbers take a lot of understanding Happy New Year

I am hoping to see the launch in just over an hour. I am puzzled / struggle to understand what a telescope can see. I suspect the answer is simple As I understand it takes about 8 minutes for light to come from the Sun - so we see the Sun as it was 8 minutes ago. So how far away are the...