How Are Binary And Multiple Stars Possible?

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Binary stars are, very simply, stars orbiting around each other.
They are linked by their gravitational attraction and orbit around their common centre of mass.
If, on the contrary, two stars should really be situated very near each other, and at the same time so far insulated as not to be materially affected by the attractions of neighbouring stars, they will then compose a separate system, and remain united by the bond of their own mutual gravitation towards each other. This should be called a real double star; and any two stars that are thus mutually connected, form the binary sidereal system which we are now to consider.

Here's how a binary system appears.
Notice how the stars rotate around each other, in some sort of dance.
Binary stars are a very important object in astrophysics because they can help us understand some important things about planet formation and star masses.

Let's first discuss how useful they are in terms of hosting planets.
While a number of binary systems have been found to harbour extrasolar planets, such systems are comparatively rare compared to single star systems. Observations by the Kepler space telescope have shown that most single stars of the same type as the Sun have plenty of planets, but only one-third of binary stars do. 
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Credits: Ron Miller
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO
Credits: Flickr

00:00 Introduction to Binary and Multiple Stars
00:15 Understanding Binary Star Systems
01:30 How Binary Stars Form
03:45 Different Types of Binary Star Systems
05:30 Dynamics and Interactions in Binary Stars
07:15 Formation of Multiple Star Systems
09:00 Real-World Examples and Observations
10:30 Conclusion on Binary and Multiple Stars

#insanecuriosity #binarystar #multistar

[InsaneCuriosity]

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[mm-dwrr]

Short answer: l don't really know. But l've got a feeling you're going to lay it out real clear if l just listen on. ❤

[erictrudel]

Do binary star system have lagrange points?

[Xeno_Bardock]

Jupiter used to be the binary of the Sun and orbited closer as Hot Jupiter, until Sun captured Saturn along with Earth and Mars. Saturn was formerly a brown dwarf star Earth orbited long ago. Physicist Wal Thornhill talks about it in his Proto-Saturn video. Our solar system is a result of collision between two different solar systems based on axial tilts.

[FATillery]

It looked as if it might have happened in our own Solar system when you look at Jupiter. It is composed of nearly the same ratio of Hydrogen and Helium as our Sun. Perhaps there was not enough mass left over after the Sun developed for Jupiter to grow large enough.

[cartier]

What if we had two suns in our solar system, one in the center and the other one is where Neptune is I wonder how that will be

[shaunmitchell]

Stars in a binary system do not orbit around each other they orbit around a common barycenter as do stars and planets this is why stars 'wobble'.

[simonshack]

Please google this sentence: "Perhaps up to 85% of stars are in binary systems with some in triple or even higher-multiple systems."

[paultvshow]

How can Doppler Effect can detect a pair of binary stars if their orbit plain is perpendicular to Earth?

[julianaylor]

Somewhere there is a real life Tatooine, but does it have life in its deserts?

[whynotcreatelove]

Sirius is our binary, time we took another look. the ancients knew Sirius is Sirius. pls look at it, it will change alot for the better.

[stinkyfrenchcheese]

"some of us, the bravest ones, have a partner. " 😅 Must be for the men!