The universe has an age of more than 13 billion years. The origin of life on Earth, starts for about 4,400 million years. The adult heart rate is 50 to 100 beats per minute. Life is a moment in the eternity of the cosmos.
By Alejandro Mos Riera
This documentary film depict the relative scale of the Universe according to an order of magnitude (or logarithmic scale) based on a factor of ten, first expanding out from the Earth until the entire is
The speed at which light propagates through transparent materials, such as glass or air, is less than c; similarly, the speed of radio waves in wire cables is slower than c. The ratio between c and the