3m-saqqal-books Sometimes we take a backward

Sometimes we take a backward step

The book reconstructs the three dimensional structure of local space

one of the Earth-Moon libration points

Hurler of the lightnings

3m-saqqal-books Sometimes we take a backwardLegend has it that the city of Rome was founded in 753 B. C. by twin brothers, Romulus and Remus. Over the next eight centuries, the city on the seven hills grew into the greatest empire the world had ever known. It reached the peak of its power during the reign of Caesar Agustus, adopted son of Julius Caesar. The Pax Romana lasted for two hundred years, until the death of Emperor Marcus Aurelius. By the Third Century A. D., the vigor of Rome was