Black hole


Basics

Black hole are one of the most coined term in astronomy , as you asd also searched it ,it is famous  because of sci-fi movies and it’s mysterious concept make it chill for readers .

A basic DEFINATION of a black hole is given as

The region of space which surrounds heavy body having escape speed more than speed of light .

why speed of light ?

as mathematics and physics tell that no object which have mass can travel more than speed of light by equation

black hole have two part :-

Layer of black hole(dark star)
BLack hole layers

(i) event horizon

            what we see in black hold is actually it’s event horizon , the boundary of zero thickness where universe and black hole meet , it have escape speed   means , light take infinite time to escape speed ,also no light escape after it.

anything happen inside event horizon stays inside it make it collection of events . event horizon have radius known as swarschild radius. Rs=(2GM)/c^2                      (where ^ is super script).

IT also give the  minimum radius object have to become BLACK HOLE .       IF we put mass of earth we get required radius ~1cm

(ii)   SINGULARITY  

                             IN BLACK HOLE no force able  to competet the crushing  force of gravity  resulting  the  whole mass is shrink to point of zero  radius   of  infinite dense at this point  general  relativity can’t  work.

Point to remember :

                   Singularity only  exist  in  non-rotating  , uncharged black hole (which is not exist in universe )

IN rotating ,charged black hole there  is term named ringularity  or ringed singularity  of zero thickness.


More topic


black hole  #2: formation   (coming  soon)

The menu is a mix of French regional cuisines, and the menu changes with the seasons.
Be sure to ask about the daily specials!


Sample Menu

Starter

Fricassée of Wild Mushrooms
Braised wild mushrooms served with seaweed and liquid nitrogen
$14.50

Main

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Chicken cooked in Riesling with onions, mushrooms and herbs
$25.50

Dessert

Pumpkin Soufflé
With bourbon, cinnamon and molasses sauce
$9.00

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