Clusters of Galaxies

Galaxies contain tens or hundreds of billions of stars like the Sun and all this mass attracts nearby galaxies. They gather in general to form clusters of galaxies and sometimes even clusters of galaxies that are called superclusters of galaxies. They can gather a handful of galaxies like the mass of the Big Dipper or …

Zodiac Signs and Astrology

When you observe the sky for several months, you will see that the planets evolve slowly through the stars. Former observers have noticed that in a few years, the planets always went through the same constellations and that the Sun also followed the same path. These constellations became the 12 zodiac signs used by astrologers, …

Constellations

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.[1] The 88 modern constellations are formally defined regions of the sky together covering the entire celestial sphere. (Wikipedia) Since ancient times men …