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Strictly speaking the Sun's motion is going to be dominated by the gas giants and the planets and one asteroid is going to have negligible effect on it compared to those. However if we assume there a …

I think for people who want to believe the Jupiter link to solar cycles it will be impossible to disprove. They'll cling to it forever. I think in a practical sense the "link" is little more than nu …

Your guess is as good as any cosmologist's. We don't know how it came into being, not with any confidence. There are theories, but nothing definitive has emerged to explain where it all came from. …

You might want to consult this Wikipedia page on the formation and future of our solar system and galaxy. Two events to note : In about 4 billion years our galaxy and the Andromeda galaxy will coll …

The light from the moon is light being reflected from the sun. This is at least one reason you should not expect the Moon to have the same color. Sunlight hitting an e.g. blue object would appea …

I'm doing some palaeobiology-landscape rendering; so I'm thinking if I want to add the sun in such pictures; should I draw it just like present day ? Although the Sun was less luminous 4.5 billio …

I think you're looking for something like the Solar Analog. My impression, by the way, is that the Sun itself is not a medium sized star, but is smaller than average for stars in this galaxy.

We can't detect whether there are or are not objects of similar "small" sizes orbiting other stars. We simply lack that level of ability. From a scientific point of view I'd simply say "don't know". …