What kind of telescopes are used to look farthest into space? Is it radio telescopes?
Radio waves are electromagnetic radiation, according to Wikipedia. Does that mean that radio waves fall under the domain of quantum physics?
That's what I wish to know for now.
Both optical and radio -- as well as ultraviolet, x-ray, and gamma ray telescopes are used in cosmology. Because of conditions in the early universe the most distant sources are radio-sources. So radio telescopes see father into space.
Yes quantum mechanics deals with radio waves. QM explains every force except gravity.
I have NO idea what the other posters are talking about.
Maybe because not all things emit gamma waves?
Thanks for the link.
I ask because I had a rather intuitive thought the other day. According to big bang theory, we look back in time towards the origin of the universe. This explanation has proven problematical, since it raises the question of pre-big bang conditions.
Quantum mechanics has no such thing as a linear timeline. How then can sub-atomic waves registered with a radio telescope give us an impression of a progression that follows a linear timeline?
Radio waves are part of the EM spectrum just as visible light is. All sensing equipment "sees" only what arrives at it. If the sources don't emit, then the receivers don't receive (there is nothing to receive if it was never emitted).
The microwave background radiation is the "softest" signal the Universe emits, and it is also the most distant time wise. The WMAP equipment gives the best image of earliest heat in the Universe.
WMAP detects the background heat from the Universe. It does not detect nor resolve galaxies at all. The WMAP pictures show the asymmetry of heat distribution in the early universe. That asymmetry eventually resulted in the super galactic threading structures and to the giant voids (bubbles) that form the basic filament structure of the Universe.
so WMAP is not based on microwave radiation ?