Answer:
The 'Middle Ages' are called this because it is the time between the fall of Imperial Rome and the beginning of the Early modern Europe. ... The Dark Ages are given this name because Europe was in disarray in comparison to the orderliness of classical antiquity and life was short and poor.
The average distance from Mars to the sun is 228 million km. What is this distance in kilometers? In scientific notation, it's 2.49209300 x 108 km. The wavelength of yellow light is approximately 0.00000058m.