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mayankdevnaniBest ResponseYou've already chosen the best response.11
\[\Huge{\bf{\color{blue}{Whatis }\color{red}{Blackhole}}}\] \[\Large{\bf{\color{black}{What is }\color{red}{Blackhole==}}}\] A black hole is defined by the escape velocity that would have to be attained to escape from the gravitational pull exerted upon an object. For example, the escape velocity of earth is equal to 11 km/s. Anything that wants to escape earth's gravitational pull must go at least 11 km/s, no matter what the thing is — a rocket ship or a baseball. The escape velocity of an object depends on how compact it is; that is, the ratio of its mass to radius. A black hole is an object so compact that, within a certain distance of it, even the speed of light is not fast enough to escape. A black hole itself is invisible because no light can escape from it. In fact, when black holes were first hypothesized they were called "invisible stars." If black holes are invisible, how do we know they exist? This is exactly why it is so difficult to find a black hole in space! However, a black hole can be found indirectly by observing its effect on the stars and gas close to it. For example, consider a doublestar system in which the stars are very close. If one of the stars explodes as a supernova and creates a black hole, gas and dust from the companion star might be pulled toward the black hole if the companion wanders too close. In that case, the gas and dust are pulled toward the black hole and begin to orbit around the event horizon and then orbit the black hole. The gas becomes heavily compressed and the friction that develops among the atoms converts the kinetic energy of the gas and dust into heat, and xrays are emitted. Using the radiation coming from the orbiting material, scientists can measure its heat and speed. From the motion and heat of the circulating matter, we can infer the presence of a black hole. The hot matter swirling near the event horizon of a black hole is called an accretion disk. \[\Large{\bf{\color{pink}{What does a}\color{green}{black hole look like?}}}\] John Wheeler, a prominent theorist, compared observing these doublestar systems to watching women in white dresses dancing with men in black tuxedos within a dimly lit ballroom. You see only the women, but you could predict the existence of their invisible partners because of the women's' spinning and whirling motions around a central axis. Searching for stars whose motions are influenced by invisible partners is one way in which astronomers search for possible black holes.
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@ajprincess @JOYAL @jiteshmeghwal9 @thivitaa @rahul_rajawat have a look:)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@ganeshie8 @hba @moongazer @Musicdude123 @Miyuru plz
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@scarydoor @shahzadjalbani @Shadowys @SheldonEinstein have a look:)
 one year ago

rahul_rajawatBest ResponseYou've already chosen the best response.0
thanks the information is realy nice dear... :)
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
``` \[\Huge{\color{red}{\text{What \space is \space Black \space hole ?? }}}\]
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
It ill give u gap
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
\[\Huge{\color{red}{\text{What \space is \space Black \space hole ?? }}}\]
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
Well, really good concept about black hole :)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
hey!!! don't works @jiteshmeghwal9
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Wow Great tutorial. I didn't knew these facts... Thanks very much for sharing.. And for the space you don't actually need to type space.. :)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
ok thnx... @Miyuru
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
& when the astraunauts go to space they first look at the space which is very dark & they try to escape. Black holes are made when star become much older & then there is a very great blast namely nova or supernova & then it turns to black hole. Nice stuff @mayankdevnani :)
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
\[\Huge{\color{red}{\text{What is Black Hole ?}}}\]
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
It's working in my computer :)
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Great indeed @mayankdevnani
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
Ok ! now write it without putting space in LaTeX
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Well is the escape velocity greater than the speed of light ? ;)
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
\[\Huge{\color{gold}{\star \star \star}{\color{red}{\mathbb{G}\color{blue}{\mathbb{r}\color{green}{\mathbb{e}}\color{magenta}{a}\color{purple}{t}\color{violet}{!!!}}}}}\]
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
That is the very definition of a black hole: an object so massive and dense its escape velocity is greater than the speed of light. So yes. If the escape velocity was slightly less than the speed of light the object would be a neutron star. ok @Miyuru
 one year ago

hbaBest ResponseYou've already chosen the best response.0
\Huge{\color{red}{\text{What is Black Hole ?}}}
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Ohh NICE Got it Thanks again... And nice letters @jiteshmeghwal9
 one year ago

hbaBest ResponseYou've already chosen the best response.0
@jiteshmeghwal9 Can you teach me latex ?
 one year ago

hbaBest ResponseYou've already chosen the best response.0
@jiteshmeghwal9 So Lets start with it in a new tab i want it from the basics
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
but in LaTeX group :)
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
\[\color{green}{\text{I'll give you a nice idea what about posting a tutorial about LaTex..}}\] @jiteshmeghwal9
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@Kira_Yamato @nubeer
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@Shadowys @shahzadjalbani @scarydoor @SheldonEinstein
 one year ago

ajprincessBest ResponseYou've already chosen the best response.0
\[\Large\frak\color{silver}{Great~Tutorial}\] @mayankdevnani
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
thnx... @ajprincess
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
what? @Kira_Yamato
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Great letters @ajprincess
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@idkm @InYourHead
 one year ago

Kira_YamatoBest ResponseYou've already chosen the best response.0
すごいい = Great, Impressive, Awesome
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
i don' think @moongazer would like my tutorial!!!
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
thnx... any medals @Kira_Yamato
 one year ago

ajprincessBest ResponseYou've already chosen the best response.0
welcome:) @mayankdevnani nd thanx:) @miyuru
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@RahulZ @Calculator @FlyingBubbles
 one year ago

nubeerBest ResponseYou've already chosen the best response.0
it's a nice tutorial. Good Work. :)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
thnx... @nubeer
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
@Miyuru most better LaTeX tutorial has been given by @AccessDenied :)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@angela210793 @AccessDenied
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Ohh really @jiteshmeghwal9 thnx for telling me tht .. How can i find his tutorial...:)
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
@Hero @karatechopper @Jonask @EarthCitizen @uri
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
http://openstudy.com/users/accessdenied#/updates/4fa5b375e4b029e9dc35a2cf
 one year ago

jiteshmeghwal9Best ResponseYou've already chosen the best response.2
In this tutorial my bro @TheViper has a gr8 role :)
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Ohh thnx a lot @jiteshmeghwal9 for the links I'll see them ....:)
 one year ago

ShadowysBest ResponseYou've already chosen the best response.0
I'm guessing this is the Newtonian description of a black hole. :) Nice work.
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
any medal @Shadowys
 one year ago

TheViperBest ResponseYou've already chosen the best response.0
\[Nice \quad Tutorial\]
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
hey!!! @nincompoop it's just a basic
 one year ago

ShadowysBest ResponseYou've already chosen the best response.0
As a side note, the black hole must be thought in terms of General Relativity instead of Newtonian Mechanics to avoid discrepancies between "gravity". For example escape velocity of a black hole is infinite and is not subject to the radius of the black hole in GR instead but not NM. IOW, NM just don't cut it.
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
it's just a structure not a deeply study ok @nincompoop but you are said it was very imp. part of black hole.....thanks for your advice
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.11
very2 thank you @Shadowys
 one year ago

ShadowysBest ResponseYou've already chosen the best response.0
You're welcome! :) Just helping you helping others lol
 one year ago
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