The Solar System, the wonderful propeller that travels at 828,000 kilometers per hour.

We usually imagine the Solar System with our star in the center and the planets spinning quietly and in harmony around it. But in reality, the Sun is not still either. It is one of the 300 billion stars that revolve around the center of the Milky Way in a nearly circular orbit and travel at about 828,000 kilometers per hour. The result is that if we saw the Solar System pass by, we would see something very different from what we are used to. The Sun would still be in the center and the planets would still be rotating within the ecliptic, the plane that contains their orbits, with the exception of Mercury, which is slightly outside. But if we could see the trail left by the planets, we would see propellers swirling around the star.However, do not confuse this with a supposed astronomical model in which a few years ago an artist named DjSadhu represented the Solar System as a vortex. In this false model, the Sun went ahead of its planets in a long vortex. But astronomers know that the planets rotate within a plane at the center of which is the Sun: the star is not above its followers. It's not that the planets follow the Sun. It's that the whole Solar System moves together. But how does the Sun move? It takes about 225 million years for this star to complete a complete revolution around the Milky Way and thus complete a galactic year. Since it was formed, the Sun has traveled about 150,000 light years and has turned 20 galactic years. If all goes well, it should pass the quarantine, equivalent to about 10 billion Earth years, before dying. ________
Source: Alejandro Blade, Asociación Argumentina Amigos de la Astrónomia, Autonomous City of Buenos Aires, Parque Centenario.