An orbit is a fixed path in space around a mass. Once an object gets into an orbit, it would stay there until an outside force pulled it out. Thus, there are only two ways to be in an orbit. Either an object was already in orbit, or it inserted itself into orbit. Since a planet cannot intelligently control its motion, it could not have inserted itself into an orbit by changing its speed or direction. As soon as an object enters a gravitational field, without the ability to change its speed/direction, it would already be in some type of orbit, although in most cases the orbit would end up intersecting the object responsible for the gravitational field or leave the field. Thus, the only way a planet could be in its orbit is if it was always in orbit as soon as it entered the gravitational field of the sun. But what are the chances that an object could begin with the perfect speed, direction, and location to be in a stable orbit (not spiral into the sun or leave the gravitational field)? Even when planets formed, mass spiraled and converged into a large object because none of that mass had the correct trajectory to stay in orbit, but somehow the total mass formed into the perfect orbit around a star? Asteroids, meteors, and other objects constantly bombard planets or exit the solar system because they are not at the perfect velocities. Yet somehow planets started out with very high speeds (67,000 mph for Earth, and 100's of thousands more for its motion through the universe) with the perfect direction and location to orbit the sun. And in the case of the Earth, no initial imperfections in its orbit (i.e. not the exact speed/direction required for the given orbit), large objects colliding with it (dinosaur-obliterating asteroids or moon formation), or other masses/planets/moon influencing its orbit has caused us to deviate from our not-too-close, yet not-too-far position from the sun to make way for life, let alone spiraling into the sun. All of this after billions of years! How is this possible? Rocket and satellite trajectories have to be carefully planned and designed for a very specific orbit, yet even with the ability to control their speed/direction to an intelligently calculated orbit they have difficulties in staying in orbits for very long, let alone billions of years. Any deviation from a perfect orbit, or small external forces acting on them add up. But somehow there are several planets with several moons in infinitely many solar systems in infinitely many galaxies. Shouldn't all of the mass just spiral into itself eventually?