Two Supermassive Black Holes on Track to Collide Will Warp Space and Time

MMS

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:mjlol:
 

Tair

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I’m not trying to sound ignorant just a question

10,000 years from now is 10,000 light years away right? Is that 10,000 years until the collision or until we feel the effects of the collision? In the grand scheme that’s not too far from now.

The Black holes are 9 billion light-years away from us. A light-year is the distance it'd take for light to travel in a year our time - 5 trillion miles. Those Black holes are 9 billion light years or 5E22 miles away from us so very far away.

They are expected to collide 10,000 years from now, so you, I, and our great, great grandchildren will be long dead.
 

The Guru

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I’m not trying to sound ignorant just a question

10,000 years from now is 10,000 light years away right? Is that 10,000 years until the collision or until we feel the effects of the collision? In the grand scheme that’s not too far from now.
As far as i know nothing can move faster than light so the gravitational effect should also take longer than 10.000 years to reach us by that logic.
 

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I’m not trying to sound ignorant just a question

10,000 years from now is 10,000 light years away right? Is that 10,000 years until the collision or until we feel the effects of the collision? In the grand scheme that’s not too far from now.

yeah not long at all. i'll set me alarm :ehh:
 

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As far as i know nothing can move faster than light so the gravitational effect should also take longer than 10.000 years to reach us by that logic.

the distance between objects can grow or shrink faster than the speed of light.

that is what dark energy is doing, for example.
 
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