The Universe presently has a radius of about 14 billion light years, and the temperature of the cosmic background radiation is 2.74 K. Ignoring any coupling to matter, estimate its temperature when the Universe’s radius was only 1 light year, or when it was only 1 m. 1 light year = 9.5 × 1015 m. (Think about whether the expansion is free or not.)
Looking for a Similar Assignment? Let us take care of your classwork while you enjoy your free time! All papers are written from scratch and are 100% Original. Try us today! Use Code FREE15
Save your time - order a paper!
Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlinesOrder Paper Now