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The five-planet Nice model is a numerical model of the early Solar System that is a revised variation of the Nice model.It begins with five giant planets, the four that exist today plus an additional ice giant between Saturn and Uranus in a chain of mean-motion resonances.
The Solar System remains in a relatively stable, slowly evolving state by following isolated, gravitationally bound orbits around the Sun. [28] Although the Solar System has been fairly stable for billions of years, it is technically chaotic, and may eventually be disrupted. There is a small chance that another star will pass through the Solar ...
The Solar System travels alone through the Milky Way in a circular orbit approximately 30,000 light years from the Galactic Center. Its speed is about 220 km/s. The period required for the Solar System to complete one revolution around the Galactic Center, the galactic year, is in the range of 220–250 million years. Since its formation, the ...
The Spanish Agency for International Development Cooperation (AECID) (Spanish: Agencia Española de Cooperación Internacional para el Desarrollo) is an autonomous agency of the Spanish government responsible for the management of the government's international development cooperation policy.