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грн30.00 -10% Off грн27.00
Calculations are presented from which the standard equations of motion of objects in expanding space, Hubble's law, are derived. Three independent approaches...
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грн30.00 -10% Off грн27.00
The proof of the vector nature of the gravitational potential is given, according to which the gravitational potential at any point in the infinite Universe ...
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грн30.00 -10% Off грн27.00
What does accelerated or decelerated expansion of the Universe mean? A definition of the concept of cosmological acceleration and an equation for its calcula...
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грн55.00 -10% Off грн49.50
The forces acting on a test body inside a hoop, a hollow sphere and between two massive points are considered. As you move away from the center of the system...
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грн55.00 -10% Off грн49.50
Penrose diagrams in their original version are a coordinate system that has no fundamental differences, for example, from the traditional Cartesian coordinat...
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грн30.00 -10% Off грн27.00
People believe in miracles and love them. Although they say that miracles do not happen in the world, they are sometimes discovered where you would not expec...
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грн30.00 -10% Off грн27.00
Perhaps one of the most important observable parameters of all cosmological objects is the so-called red shift, on the basis of which the conclusion was made...
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грн55.00 -10% Off грн49.50
It is believed that one of the main arguments from which the conclusion about the accelerated expansion of the Universe follows is the reduced brightness of ...
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грн30.00 -10% Off грн27.00
It is mistakenly believed that in a curved space, parallel transfer of a vector along a closed contour leads to a change in its direction. It is also erroneo...
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грн55.00 -10% Off грн49.50
Many textbooks and articles use the metaphor of a rubber sheet to explain the essence of space-time curvature, which leads to the emergence of gravitational ...
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грн30.00 -10% Off грн27.00
Einstein based SRT on two principles. However, in order to obtain the Lorentz transformations and all the relativistic consequences from them, only one princ...
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грн55.00 -10% Off грн49.50
One of the main results of astronomical observations is the red shift and brightness of various objects in the Universe. Using these data, the distance to th...