Table of Contents
Does Whitehole exist?
White holes are the theoretical opposite of black holes. But further thought caused people to realize that white holes would be extremely unstable, and hence highly unlikely to exist, in fact so unlikely that no one has talked about them much in recent decades. They are truly fringe science.
What’s in a white hole?
In general relativity, a white hole is a hypothetical region of spacetime and singularity that cannot be entered from the outside, although energy-matter, light and information can escape from it. White holes appear in the theory of eternal black holes.
Is white hole connected to black hole?
White holes may simply be the opposite end of black holes, connected by theoretical tunnels of space-time called (of course) wormholes. So the matter and energy falling into a black hole would eventually beam out of a white hole, somewhere in this or another universe.
Where is the nearest black hole to Earth?
Now, astronomers have discovered a black hole with just three times the mass of the sun, making it one of the smallest found to date—and it happens to be the closest known black hole, at just 1,500 light-years from Earth.
Where is the nearest black hole?
For a comparison, Sagittarius A, the supermassive black hole at the center of the Milky Way, is thought to be about 4 million times the mass of the sun. In addition to being among the smallest black holes ever seen, it’s the nearest one to us that we know of, at just 1,500 light years away.
Why does gravity pull everything towards the center?
However… Gravity is acting upon every object on the earth, and it is pulling everything towards its center. But everything does not collapse to its center because the surface on which the object stands provides the reaction force upward (away from the center) and balances the weight of the object.
Why does everything not collapse to its center?
But everything does not collapse to its center because the surface on which the object stands provides the reaction force upward (away from the center) and balances the weight of the object. If it can’t balance the weight of the object, then certainly the object sinks towards the center of the earth due to the force of gravity.
What happens if there is no gravity in space?
Indeed without that gravity, it would fly off from the orbit. Due to this gravity, it is stuck in the orbit of earth and not falling and not going away from the earth orbit.
How does the gravity of other objects affect you?
The gravity of people around you will not make any noticeable difference. It is true that all objects which have mass exert a gravitational pull on other objects, but unless the mass is very large (like the earth) it has little effect.