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 :-

(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
Coq au Vin d’Alsace
Chicken cooked in Riesling with onions, mushrooms and herbs
$25.50
Dessert
Pumpkin Soufflé
With bourbon, cinnamon and molasses sauce
$9.00
To book a table, call us (123) 444–5678 or use the form below.


