A "Dyson Sphere" is not really a sphere at all, but a dense network of solar energy collection devices orbiting around a star, effectively collecting all (or most of) the energy emitted from the star. There is no common "surface" for this network. But even if you were talking about the "surfaces" of each of the millions (billions) of satellites, none of them would have an atmosphere, and therefore, no one could live on those surfaces. I suspect you're actually talking about a "Dyson Shell", which is a shell of solid matter around a star. Note that this is not an invention of Freeman Dyson, but of Science Fiction writers. Freeman Dyson himself, when answering letters from people who misunderstood his idea as a Dyson Shell, stated flatly that a Dyson Shell was physically impossible. I won't go so far as to say that a Dyson Shell is physically impossible. However, there are serious impediments that are not likely to be overcome. First and foremost, there's not enough matter in the solar system to create a Dyson Shell, at 1AU distance from the sun, of sufficient thickness. Using all the "easily usable building material" in the solar system, a shell of only 8-20 cm thick could be constructed. That is not nearly thick enough to withstand impacts from interstellar bodies. Moreover, even if such a shell could be constructed, the inner surface of that shell would exert virtually no gravity on objects inside the sphere, and thus anything placed inside the sphere would fall into the star. That includes gases, so there wouldn't be any atmosphere around the inner surface of the shell. And speaking of gravity, it's doubtful that the 8-20-cm-thick shell could withstand that kind of gravity. Even if all of this could somehow be overcome, there is nothing to keep the shell in position with respect to the star, nor the star in position with respect to the shell. They would just drift around with respect to each other until the star hit the surface and punched through. Of course, anyone living on that inner surface would die from either extreme heat or extreme cold long before the breakthrough. Then there's the issue of feeding the population of the Dyson Shell. Remember, we used up all the solid material in the solar system just to build a rigid shell. Where are we going to get the soil to plant crops in? But, assuming all of these obstacles could somehow be overcome, the inside surface of a Dyson Shell would have an area of about 550 million times the surface area of Earth. So, however many people could live on the surface of the Earth, multiply that by 550 million.
some real world examples of a sphere could be a basketball ,baseball, soccerball ,or even there earth itself
It could be a sphere
Assuming that a diagonal is a line drawn from corner to corner crossing in the centre, it could be said that a sphere doesn't have diagonals (no corners). But, based on world navigation, for every point on one surface, there must be a diagonal line to its opposite point, passing through the centre of the world. Therefore, the number of diagonals worldwide is unlimited.
you could have a ball or a piece of cheese in a ball shape.
They are spheres. They cannot therefore have different geometrical properties. To alter surface to volume ratios you would need to alter the shape. The study of mathematical shapes is called topology.
A dyson sphere could never be built. However space based solar power stations could be built with the help of space elevators, space fountains & launch loops. Space based solar power stations will reduce the effect of global warming due to the expansion of the sun into a red giant & also space based solar power stations could help to power laser powered vehicles.
One can purchase a replacement hose for the Dyson DC07 online at Amazon and Dyson. The DC07 by Dyson is an upright model vacuum cleaner that utilizes Dyson's patent cyclone technology.
Technically, a sphere doesn't have any faces, as it has no vertexes or sides. It could be considered as having an infinite number of faces as well. The Surface of a sphere is continuous, as opposed to discrete, so it has no real faces.
No, because the volume of a sphere = 4/3*pi*radius3 in cubic units But the surface area of a sphere = 4*pi*radius2 in square units
It depends on the information you have. You could put the sphere on a flat surface and lower a horizontal plane onto it so that it just touches the top of the sphere. The distance between the flat surface and the horizontal plane is the sphere's diameter; the radius is half that. Or you could measure its volume by measuring the amount of fluid (water) that it displaces in a measuring container or the overflow from any full container. Then use the formula V = 4/3*pi*R3 to work out the radius. If you knew the density of the material of the sphere, you could measure its mass and work out its volume that way.
If there is going to be a perfect sphere, it will be a neutron star. The immense gravity will form the most perfect sphere, that engineers could only marvel at. The surface will be so smooth and without imperfections that a billiard ball would seem like it was engineered by cavemen.
A space figure is a figure or shape in 3-dimensional space. It could be solid but it need not be: for example, it could be a wriggly line drawn on the surface of a sphere.
No. You obviously misuderstand the concept of a "curved" universe, probably imagining it like the 2-D surface on a 3-D sphere. This actually isn't too bad of a way to view it, but it has its problems -- caused mainly by taking the mathematical analogy too far. A Friedmann Universe -- ie, one like the one we're now in -- can be mathematically curved but without a surface, and without any other dimension into which this curvature is (well) curving. Even in a universe that was 2-D and closed (ie, a sphere), and its mass was constrained to the surface of a sphere, then no force would be needed to keep that mass on the surface. That mass could no more leave the surface of the sphere then you could walk outside of the three spatial dimensions of our Universe.
i belive that it would have been made origenaly from bronze could you let me know if i'm wrong.thanks gerry dyson
Hmm. I think that you are thinking of a hemisphere. That's half a sphere which is like a globe. A hemisphere is also called a semi-sphere also called it a semi-sphere is just slang. Hope that helped! LaughLiveLoveLearn . * It could also be a cone.
Navigation takes place on the surface of a sphere, and it involves angles and distances. Spherical trigonometry was developed from plane trigonometry so that navigators could find their away over the Earth's surface.
This is a very vauge question as it could refer to anything from the surface of the sun, to the Earth, to many things beyond the sun. 1) if by sphere you mean the sun, then the closest layer is that is not part of the sun is the plasma sphere. 2) if by sphere you men the Earth layers, then the Exosphere is the closest. 3) if by sphere you mean a body that is large enough to be considered a planet, the answer is Mercury, since the other bodies in the area maybe closer but they are not large enough to be sphere shaped.