This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
models:general_relativity [2019/01/16 15:19] jakobadmin [FAQ] |
models:general_relativity [2020/04/03 05:19] (current) 71.197.218.238 There seems to be a typo (slows doesn't fit the context). |
||
---|---|---|---|
Line 5: | Line 5: | ||
The main idea of general relativity is that there is not really a gravitational force, but instead what we perceive as gravity is just a result because spacetime is curved through the presence of energy. | The main idea of general relativity is that there is not really a gravitational force, but instead what we perceive as gravity is just a result because spacetime is curved through the presence of energy. | ||
- | This means that every object transforms spacetime and all other particles which move through space roll down the slows or up the hills that are created by all other objects. | + | This means that every object transforms spacetime and all other particles which move through space roll down the slopes or up the hills that are created by all other objects. |
For example, imagine a planet like our earth and a smaller object like a satellite. The heavy earth creates a depression in spacetime. As a result, the smaller satellite runs down this slope created by the earth and thus flies towards the earth's surface. (Take note that satellites can orbit around earth because the movement in a circle prevents that they fall directly onto the earth.) | For example, imagine a planet like our earth and a smaller object like a satellite. The heavy earth creates a depression in spacetime. As a result, the smaller satellite runs down this slope created by the earth and thus flies towards the earth's surface. (Take note that satellites can orbit around earth because the movement in a circle prevents that they fall directly onto the earth.) |