Fictional planets of the Solar System 40 Eridani A. Counter-Earth was a hypothetical planet sharing an orbit with Earth, but on the opposite side of the Sun (hence Earth and Counter-Earth would always be invisible to each other). The idea of a counter-Earth has never been a serious scientific hypothesis in modern times. Phaëton is a name given to a supposed planet existing in the past between the orbits of Mars and Jupiter, which no longer exists, having become the Solar System's asteroid belt. Proposed not long after the discovery of multiple asteroids at the beginning of the 19th century, the idea that the asteroids were
Solar Decathlon Latin America and Caribbean Solar Decathlon Latin America and Caribbean The Solar Decathlon is an initiative of the Department of Energy of the United States (DOE) in which universities around the world compete with the design and construction of sustainable housing that works 100% with solar energy. It is called “Decathlon" since universities and their prototypes are evaluated in 10 criteria: architecture, engineering and construction, energy efficiency, energy consumption, comfort, sustainability, positioning, communications, urban design and feasibility and innovation. The 2019 edition of the Solar Decathlon Latin America and Caribbean will take place in Cali, Colombia. The first Solar Decathlon Latin America and Caribbean