Relier Pairs The universe and the EarthVersion en ligne La tierra y el universo par Tomás Agustín Reina Narváez 1 Planetary siystems are composed of... 2 Our solar system comprised of a star, 3 What is universe made of? 4 Longitude... 5 The shape of The Earth is... 6 Maps 7 Latitude... ...is the distance from any point on Earth to the Greenwich meridian. Longitudes can be east or west. ...sphere ...is the distance from any point on Earth to Equator. Latitudes can be north or south. enable us to locate any point on the surface of the Earth. ...the Sun, euight planets, numerous satellites, asteroids. ...a star that emits its own light and other non-luminous celestial bodies that revolve ariund it. It is comprised of numerous galaxies, celestial bodies and interstellar matter (dust and gas)