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Originally posted by Zaanny
Very good documentary to watch.
Thank you for posting.
It seems that a lot of comments from people in this thread have been from people who did not sit down and watch the 45 min documentary...
I especially enjoyed the part near the end where they state a high percentage of observable solar systems ARE BINARY if not more....
Another good one was our solar system has to have a speeding up and slowing down as the two stars approach and move away from each other for the years of the precession to be the length of time it is.
The part where they actually show you that the ancients knew the sun was at the center of our solar system WAY before we re acquired that knowledge and the rise and fall of enlightenment is tied to the precession made you think....
What else have we lost..
Thank you for sharing some lost knowledge with me.
Originally posted by NeoVain
If we did not have a companion star, we would most probably have been slingshotted out of the galaxy billions of years ago.
Also, there are numerous stars with brown dwarf companions, which was not detected until wise just fyi. Over 70% of stars have been found to have companions as of now. And this number is expected to rise.
Originally posted by Phage
reply to post by NeoVain
Saying over 70% of stars have been found to have companions is a pretty broad statement but yes, when considering the Galaxy as a whole and all types of stars there are a lot of binary systems. But when you start looking at various stellar types things start to look kind of different. When you look at stars like our own things start to look more different. When you look at our stellar neighborhood things really change. In our "neighborhood" only 33% of the sun-like stars are binary. The majority of those systems consist of stars of similar types (sun-like stars have sun-like companions).
Recent studies show that the odds go down, way down, when considering a brown dwarf as a binary companion.
You assume that we have found all brown dwarfs. Or that the star in question, as it does not have a visible companion, does not have a companion. Also, did you base this assumption with the wise data included, or excluded.
Also for you "point" that we absolutely can not have a companion, well just look right here what the NASA says about it themselves. (skip to 2:20 if you are in a hurry)