| In this article, the author ventures out to communicate | | | | with time. If that is true, then The Theory of General |
| to the readers the major five problems of physics, the | | | | Relativity can be proved wrong. Though this |
| solution of any one of which shall largely, to a great | | | | hypothesis has not been proved as yet, it may be |
| extent affect the lives of one and all. Also, the author's | | | | proved some day in the future. |
| own viewpoint on them is provided. In this article the | | | | Though general relativity has withstood the tests of |
| first three shall be discussed, and the last two shall be | | | | time so far and is unrivalled, it is to be remembered |
| dealt with separately as they require a higher degree | | | | that it is the theories without effective rivals that need |
| of knowledge of Physics. | | | | the most vigilant testing. |
| The five major controversies in the field of physics, as | | | | Formation of Galaxies: |
| the author sees them, are: | | | | The exact model of the formation of galaxies has not |
| Validity of Theory of Relativity | | | | yet been completely understood, it is still under much |
| Formation and Evolution of Galaxies | | | | speculation. With recent evidence of the presence of |
| Existence of Life elsewhere | | | | supermassive black holes at the centre of galaxies, a |
| Presence of higher dimensions, which leads to | | | | very likely model is that the formation of galaxies is |
| The Holy Grail of Physics, the Grand Unification of All | | | | related to the formation of the black hole at the |
| Forces | | | | galactic centre. |
| Validity of the Theory of Relativity: | | | | A few scientists believe that the formation of a black |
| The General Theory of Relativity has withstood all the | | | | hole might have triggered the formation of a galaxy. |
| experiments and tests meted out to it so far. | | | | Existence of life elsewhere: |
| However, still, the possibility of it failing at some level, is | | | | This question, whether life exists elsewhere or not, is |
| not out. The General Theory of Relativity yields | | | | gaining popularity. There are many who are quite |
| accurate results even at the galactic level, however, it | | | | optimistic of the idea whereas a few others don't quite |
| is to be seen whether it holds true at the threshold of | | | | encourage this thought. The author falls into the former |
| time itself, a black hole. Moreover, there is a hypothesis | | | | category. It shall be too egoistic to imagine we are the |
| known as the Dirac's Large Number Hypothesis that | | | | sole life-form in this vast universe. However, only time |
| states that the Gravitational Constant may itself vary | | | | will tell. |