drme1981 said:why do planets move around stars in the same level ?
why do stars move around black holes in the same level?
why don't some of them move in horozintal level & the others in vertical level?
drme1981 said:why do planets move around stars in the same level ?
Planets in our solar system move in elliptical orbits around the sun. This means that they follow a curved path, with the sun at one of the foci of the ellipse. The planets also rotate on their own axes as they orbit the sun.
The movement of planets in our solar system is due to the force of gravity. The sun's gravitational pull keeps the planets in orbit, while their own inertia keeps them moving in a straight line. The combination of these two forces results in the elliptical orbits we observe.
No, the speed at which a planet moves in its orbit depends on its distance from the sun. Closer planets, such as Mercury and Venus, move at higher speeds due to the stronger gravitational pull of the sun. Meanwhile, outer planets, like Neptune and Uranus, move at slower speeds due to their greater distance from the sun.
There are two main types of planetary movements: rotation and revolution. Rotation refers to the spinning motion of a planet on its own axis, while revolution refers to the orbital motion of a planet around the sun. Some planets also have additional movements, such as precession and nutation, caused by the gravitational pull of other planets in the solar system.
Galaxies are constantly moving and interacting with each other due to the force of gravity. The universe is expanding, so galaxies that are far apart from each other will continue to move away from each other. However, galaxies that are close enough can be pulled towards each other and even merge to form larger galaxies. The exact movement of galaxies is complex and dependent on various factors, such as their mass and distance from other galaxies.