Who invented the first telescope, how did the discovery and construction of the first optical instrument of this type, until subsequent discoveries. Invention of the telescopeThe telescope was...

Definition of Milky Way, what it is made of, how to find the milky way in the night sky, which is the triangle of stars to identify it. What is our galaxy calledThe Milky Way is the name of a large...

What is a quasar, energy radiated by the large black hole present in this galactic nucleus, where they are found and the quantity of light emitted. Meaning of the term quasarQuasars are mysterious...

Main notions of general culture proposed through a series of questions and answers designed to discover and review some important aspects concerning the earth and the space of the universe that...

Various scientific tests have set the speed of light at a certain value, corresponding to that used by light rays in their movement through the air. Light speedThe light rays move through the air...

History of the birth of the bicycle, when it was invented and by whom, from which vehicle today's conception of this ecological means of transport was derived. Invention of the bicycleThe bicycle...

Geography and belt between the two tropics, called tropical belt, climate, typical plants, seas and lands included in this area. Tropics geographyThe tropics are the two parallels of latitude 23 °...

What determines the explosion of a supernova, when a star becomes one, curve of light generated, period in which it can be seen and periodicity of the event. Definition of supernovaA supernova is a...

Short biography of the first woman in the space where she was born, family origins, work experience, studies and professional training to fly. Journey of the first woman into spaceThe first woman...

Where is Tierra del Fuego, the origin of the name of this archipelago, part of South America and located right near the southern end of this continent, Cape Horn and the Strait of Magellan. ...