[73] Cosmologists now have rather precise and exact measurements of a lot of the parameters of the massive Bang product, and possess produced the unforeseen discovery that the expansion in the universe seems to become accelerating. Observational evidence In 1964, Arno Penzias and Robert Wilson serendipitously discovered the cosmic track http://big72616.dbblog.net/22846873/new-step-by-step-map-for-big