Actually, there is. Any object with mass has gravity. In fact, even your body has a very, very tiny amount of gravity.
The other planets do have gravity.
All massive objects (including all planets) have gravity.
my inability to go to other planets. and gravity
All planets are affected by the gravity of other planets.
because of the gravity of the other planets around them
Simple. Gravity! The planets are dragged in by the gravity of the sun.
No. Of the planets in this solar system, Jupiter, by far, has the strongest gravity.
Yes, all planets have gravity. Gravity is a force that attracts objects with mass towards each other, so every celestial body with mass, including planets, has its own gravitational pull.
No. Weight is affected by gravity.
The planets' own gravity has made them spherical. Also there are other effects such as their ability to retain an atmosphere, etc. The Sun's gravitycauses the orbits of the planets.
Gravity
Gravity.