Many centuries ago, the community of Saba was one of the four biggest civilisations which lived in South Arabia. Historical sources relating to Saba usually say that this was a culture akin to that of the Phoenicians. It was particularly involved in commercial activities. The Sabaeans are recognise…

The discovery of the expansion of the universe achieved by the astronomer Edwin Hubble at 1929, was based on the red shift of the faraway galaxies, red shift occurs when an object is receding far away from an observer, and so the object´s light wave left behind it get elongated, light waves when elo…