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How far away is the event horizon of Sagittarius A from it's centre?
Wiki User
∙ 11y ago
The mass of the black hole in Sgr A* is estimated at approximately 4 million solar masses (see related links).
Assuming its rate of rotation is sufficiently small, we can estimate its Schwarzschild radius R, i.e. the radius of the event horizon, using the following formula from General Relativity:
R = 2GM / c2
where G is the gravitational constant and c is the speed of light. M is simply the mass mentioned above.
This gives a radius of approximately R = 1010 m, which is very roughly a tenth of the distance between the Earth and the Sun.
Wiki User
∙ 11y ago
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Can a super heated quasar escape a black hole?
Material in a quasar is ejected away from the black hole, but that material never crosses the event horizon. Nothing that crosses the event horizon can ever escape.
Nothing can escape this including light?
A black hole has an 'event horizon'. The event horizon is the threshold at which point there are no longer any paths leading away from the center of the black hole. This means that the gravitational forces are so strong that nothing can escape their pull once past the event horizon, including light energy.
How far away from earth is the black hole?
There are many black holes in the universe .Scientists believe that there might be a black hole in the centre of our Milky Way galaxy which is about 25,000 light years from earth, and that that is why it rotates about its axis.
How far from a black holes event horizon does a person have to be to not get swallowed?
In theory, any object could whiz by the black hole, very close to the event horizon, speeding up as it gets near the black hole, and slowing down again as it goes away. This would be very similar to a comet approaching the Sun, for example. The main problem is that with stellar black holes, a person - or most objects for that matter - would be torn apart, due to tidal forces. This wouldn't happen with a supermassive (i.e., galactic) black hole; in that case, a person would only get torn apart AFTER falling through the event horizon.
For an outside observer what happens to time at the event horizon?
Time stops when you're in a black hole because you die. Actually, time stops in Black Holes because a Black Hole does not follow the Space- Time Continuum, and a Black Hole is a singularity, that has zero volume, and infinite density.
Can a super heated quasar escape a black hole?
Material in a quasar is ejected away from the black hole, but that material never crosses the event horizon. Nothing that crosses the event horizon can ever escape.
Nothing can escape this including light?
A black hole has an 'event horizon'. The event horizon is the threshold at which point there are no longer any paths leading away from the center of the black hole. This means that the gravitational forces are so strong that nothing can escape their pull once past the event horizon, including light energy.
How does a quasar burst away from a black hole if the black hole has infinite gravity?
It's only infinite around the event horizon.
What is the distance of the constellation Sagittarius from earth?
1.2Light Years away to be exact.
How far is horizon at 100 ft?
At 100ft, the horizon is approx 12 miles away.
Why do you have horizon?
Because the earth is a sphere. The horizon is the curvature of the earth (or other planet) as it falls away from you.
What is the importance of the horizon?
The horizon is point at which the earth curves away from our line of sight at the earth's surface.
Can sound escape a black hole?
No. Nothing can escape a black one it crosses the event horizon. In most cases a black hole is in the vacuum of space, which cannot carry sound. Matter falling into a black hole will reach incredible speeds, potentially approaching the speed of light, so sound could not move though that matter, even away from the event horizon.
Why doesn't someone enter a black hole?
Because there are far easier ways to commit suicide. 1. The closest black holes are too far away to reach in an entire lifetime, even if you were traveling at the speed of light. 2. No one knows for sure what lies beyond the event horizon of a black hole, but they do know that once something passes the event horizon of a black hole, it is impossible for it to escape the same way. Even if the person that entered the black hole did survive and was able to see a black hole beyond the event horizon, they would have no way to pass this information on to other people. 3. Tidal forces would rip a person to shreds long before reaching the event horizon anyway.
How far away from earth is the black hole?
There are many black holes in the universe .Scientists believe that there might be a black hole in the centre of our Milky Way galaxy which is about 25,000 light years from earth, and that that is why it rotates about its axis.
Distance to the earth's horizon?
The distance in kilometers to the horizon is the square root of (13 X observers height in meters) so for a 1.8 meter person standing on the seashore the horizon is about 5 km away. For someone on a jet at 10,000 meters the horizon is 360 km away.
Is a Scorpio a good match with a Sagittarius?
No. Cancer and Sagittarius relationship goes from one extreme to the other. Cancer Sagittarius Relationships Cancer is cautious. Sagittarius throws caution to the wind. What keeps them together is their great sense of humor. Sagittarius knows how to use laughter to snap Cancer out of their moods and join in the fun. Cancer helps anchor Sagittarius and provide a home for them. Cancer and Sagittarius Differences Cancer is traditional, Sagittarius is non-traditional. Cancer is a homebody while Sagittarius is the eternal child. Cancer saves their money, Sagittarius gives it away. Yes, they excite and fascinate each other for having qualities they both lack. Cancer would love lead the carefree life as Sagittarius does. Sagittarius finds their Cancer partner's diverse moods exciting. Money is a problem for Sagittarius and Cancer. Cancer wants more and Sagittarius is willing to gamble it away. In conversation, Cancer tells it like they want it to be, while Sagittarius tells it like it is. They need an interpreter. See related links, below.
