Why is the suns gravity important to our solar system?
Um, because without the sun’s gravity there would _be_ no solar system. All the planets orbit the sun for a reason….. Gravity is dependent on mass. The sun is millions of times larger than even Jupiter. Planetary gravity is not is not enough to hold multiple planets together, and especially not at any reasonable distance. But going beyond that, if it were not for the sun’s gravity, there would be no planets in the first place, as the planets “condensed” out of an accretion disk of dust and ice which developed around the sun during and not long after the sun’s own “birth”. The accretion disk was attracted in the first instance by the sun’s gravity.
lynnenorth’s answer is very good, but I would like to take it further. Without the Sun’s gravity, there would be no Sun. It was it’s gravity that caused the gasses to come together in the first place to make the Sun. It is also its gravity that keeps the energy released in its core from blowing it apart. So, without its gravity, the Sun would not have formed in the first place, nor would it have stayed together had it formed.
1) The sun’s gravity is holding the sun and the solar system together. It makes it also easier to study the movements of the planets in an heliocentric system. An object’s gravity bases on gravitation, which is one of the elementary interactions in the universe. According to the laws of gravitation, if the Sun’s mass were much smaller, the Sun’s gravity would be much weaker. It would not be able to keep so many planetary objects in its influence in the long run. On the other hand, if there were no gravitation interaction at all, the other interactions would define how the universe would look like. 2) “Gravitation is a natural phenomenon by which objects with mass attract one another. In everyday life, gravitation is most commonly thought of as the agency which lends weight to objects with mass. Gravitation compels dispersed matter to coalesce, thus it accounts for the very existence of the Earth, the Sun, and most of the macroscopic objects in the universe. Modern physics describes gra
