Recent content by just wandering

oh! thank you! that was easy. what a great forum - my first post. I should have probably thought of that ... but how nice to get a such a quick answer to something. :)

Universe is expanding/galaxies moving away from each other and far away galaxies are moving away from us faster. so the light is redshifted. .."at very large redshifts, much of the ultraviolet and visible light from distant sources is shifted into the infrared part of the spectrum. This means...