[GS] [Geography] Stars, Constellations, Galaxy, The Milky Way, Light year, Andromeda & Nebulae Stars Stars are heavenly bodies made up of hot burning gases, thus shining by their own light. Stars seem to be fixed with respect to each other. In fact they are in rapid motion but they are at such great distance that […]
Tag Archives: Galaxy
GEOGRAPHY Universe The universe is commonly defined as the totality of everything that exists, including all physical matter and energy, the planets, stars, galaxies and the contents of intergalactic space. The study of universe is known as Cosmology. Cosmology = cosmos (universe) + logos (science) The universe has no limit. Galaxy A galaxy is […]