Well, that depends on how accurate we can measure the distance from the Sun to center of the galaxy. What does the distance to the center of the Milky Way have to do with anything? read more
Let me say this, every past and highly advanced civilization from Mesopotamia to Mesoamerica, believed that our solar system is both spiritually and physically connected to the Sirius star system. Yet, according to today's modern civilizations there's no connection at all. read more
No, Sirius is not part of our solar system. The only star in our solar system is the sun. read more
In the Binary model, precessional motion is explained by the fact that the whole Solar System is rotating about a common center of gravity with another star. In other words, an observer on Mars, Venus or any other planet in the Solar System would notice the same precessional rate, proportional to its orbit, just like we see on Earth. read more