How is the spacetime curved, since the object is inside it?

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Digging deeper into the analogy of Einstein's theory of General Relativity, the mass curves the spacetime around us!
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Salman Hameed has a PhD in astronomy and is Charles Taylor Chair and Professor of Integrated Science & Humanities at Hampshire College, and a member of the Five College Astronomy Department (FCAD) in Massachusetts, USA. He is also the CEO of the non-profit Kainaat Studios.

Опубликовано:

12 окт 2024

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Комментарии : 15

@shahzaibhassan2777 6 месяцев назад

I would really love an explanation of gravity in a 3D way unlike more popular 2D illustrations. Please do it sir.......

@parmindersingh212 7 месяцев назад

I think gravity works from all dimensions but we explain as a net like two dimensions

@sajjadullah8233 2 месяца назад

Sir a tennis ball dip the net under the gravity of earth. If you create zero gravity, it will never dip the net. My question is that how stars dip/curve space time in the absence of any external gravitation force.

@KainaatAstronomyinUrdu 2 месяца назад

Sajjad - the dipping is the gravity. This is the key difference between thinking about gravity as a force and gravity as a bending of space time.

@saeedahmed5547 7 месяцев назад

I think gravity is mis-illustrated in all over videos as only 2 dimensional fabric or net, rather it should be as 3D net or a tesseract?

@KainaatAstronomyinUrdu 7 месяцев назад

Yes Saeed. It is shown in 2D as an illustration so that we can visualize it better. But indeed, it is in 3D.

@MALIK22247 7 месяцев назад

Sir please answer me , when the big bang happened in early universe , 13.5 billion years ago , the light of universe and early stars began to travel that time , and we human watch that early stars light today through or telescopes , my question is when big bang happened where was our galaxy milky way was in that time , and how milky way manage to travel through space with so speed it cross the speed of light and now it comes in the way of that early light , and we can see that early light now in this time , hope you understand my question, I feel I can not explain y question very well ,

@MALIK22247 7 месяцев назад

#my

@MALIK22247 7 месяцев назад

What I understands that the mater used to form milky way galaxy was present there in the event of big bang , why milky way traveled so fast in the space that it cross the speed of light and now milky way is situated in the path of that early light of early stars ???

@MALIK22247 7 месяцев назад

Sir if you have some time please explain me ,

@KainaatAstronomyinUrdu 7 месяцев назад

No - Milky Way had not formed at that time! In fact, we cannot see the formation of the Milky Way - as we are in it "now". However, we can look at the light of other galaxies that are far away. If the galaxies are so far away that their light takes 10 billion years to get to us, then we are seeing them as they were 10 billion years ago. In order to see how they are today, we will have to wait 10 billion years.

@MALIK22247 7 месяцев назад

Thank you sir for replying.

@Impossible-p5k 7 месяцев назад

برائے کرم پس منظر موسیقی نہ دیا کریں۔

@Impossible-p5k 6 месяцев назад

@@shahzaibhassan2777 آپ بھی بڑے ہونے کی کوشش کریں۔ میں نے کب رشتہ مانگ لیا ہے جو رائے دینے پہنچ گئے ہو؟ پس منظر موسیقی کا میں نے اس لئے کہا کہ اس کی وجہ سے بات سمجھ نہیں آتی۔ ہر جگہ منہ کھولنا ذلیل ہی کرواتا ہے۔