UniverseOnline version Universe Theme Review by JORGE CULIÁÑEZ CELDRÁN A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Starts with A Celestial bodies that revolve around the stars and have a variable size and irregular shape. Starts with B Giant Star Starts with C Celestial bodies that revolve around the stars following an elongated elliptical orbit. Starts with D Celestial bodies that have enough size to have a spherical form, but they share their orbit with other celestial bodies with similar size Starts with E it is a partial or total occultation of a celestial body by another Contains F One of the stages of formation of the Universe Starts with G It is a collections of stars, planets, gases and dust. Starts with H It is the water that we have on the Earth´s surface. We can find the majority on seas and oceans. Starts with I They are the smallest galaxies and they do not have a regular shape. Starts with J The biggest planet of the solar system. Starts with K It is located beyond the orbit of Neptune. It is an area of the solar system in which you can find a lot of celestial bodies. Starts with L They are the variations of the quantity of Moon surface illuminated that we can see from the Earth. Starts with M Name of our galaxy Starts with N NAme of the sicentific that developed the description of the heliocentrical theory Starts with O It is a spherical area surrounding the solar system beyond the Kuiper belt. In this region we can find comets with more than 200 years of orbits. Starts with P They are circumferences of different diameter perpendicular to the axis of rotation of the Earth. Contains Q It is an imaginary line that divides the planet in half. Starts with R It is the movement that all the planets, their satellites and the sun itself achieve. They spin upon themselves around an imaginary axis. Starts with S They are huge gas masses subjected to high pressures and temperatures. They emit their own light and are a mixture of Hydrogen and Helium. Starts with T Movement of the water that are caused by the pull of the Moon and to a lesser extend the Sun. Starts with U It is everything that exists physically, and it is so big that it is mostly made of empty space. Starts with V It is a planet that has volcanoes on its surface with a dense atmosphere of CO2 Starts with W It is the name of one of the seasons. Contains X It is the imaginary line on which the earth rotates on itself. Contains Y It is the name of one of the ancient civilizations that had cosmogonies. Contains Z They are each of the 24 imaginary strips in which the Earth´s surface is divided to determine the time in any part of the world.
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