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The closest Earth black hole might not black hole at all, but there is possible another black hole near our solar system

Crab Nebula
(Wikipedia)


The closest Earth black hole might not black hole at all, but there is possible another black hole near our solar system


Where is the remnant of the supernova, what almost destroyed our planet 2,5 million years ago? (1)


There might be an error in the observations or calculations of the nearest Earth black hole and that famous object might not be a black hole at all. And that thing has been identified as a very special pair of stars(2). 

But there is a possibility that somewhere near Earth is another black hole, which might affect also our solar system. The reason for that conclusion is that there is a possibility that the extinction on Earth 2,5 million years ago caused supernova(3). Supernova is one of the most powerful events in the universe. But where is the remnant of that supernova? 

And the result of the supernova is the neutron star or black hole, so when we are thinking that the supernova almost crushed Earth 2,5 million years ago causing Pliocene marine megafauna extinction(4), there should be a neutron star and remains of that explosion somewhere. But if that thing is not found, that thing means that there could be a black hole somewhere quite near to our solar system. 


If the supernova forms a black hole, that supermassive object will pull the gas cloud and other remainings of the supernova in it. So things like mass extinctions are causing questions, is there something that we haven't notice? 


When we are thinking about the white dwarfs, that are the result of the nova eruptions of the yellow stars like our sun there is a white dwarf called Van Maanen star or Van Maanen 2 (5) at a distance of 14.074 light-years from Earth. It has once been a similar star with our sun. But then it ended its internal fusion in the nova eruption. And that will be the faith of our sun in the future. So has Van Maanen 2 had the solar system, and what happened to its planets? 

The nova eruption of the Van Maanen star had not enough power to cause the Pliocene marine megafauna extinction. So there should be a star or remains of a star with a higher mass somewhere near our solar system.  But when we are thinking that supernova what radiation reached Earth 2,5 million years ago, we should find supernova remnants like neutron stars and molecular nebula somewhere. And the question is there some kind of black hole near our solar system remains. 


(1) https://www.sciencealert.com/a-supernova-exploded-dangerously-close-to-earth-2-5-million-years-ago


(2) https://www.sciencealert.com/the-closest-black-hole-to-earth-has-been-reidentified-as-a-very-special-pair-of-stars


(3) https://www.sciencealert.com/a-supernova-exploded-dangerously-close-to-earth-2-5-million-years-ago


(4) https://www.sciencedaily.com/releases/2017/06/170626124431.htm


(4) http://www.sci-news.com/astronomy/supernova-explosions-end-pliocene-marine-mass-extinction-06716.html


(5) https://en.wikipedia.org/wiki/Van_Maanen_2


The nearest stars of our solar system: https://www.space.com/18964-the-nearest-stars-to-earth-infographic.html


Image: https://en.wikipedia.org/wiki/Supernova_remnant

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