Why do the planets in our solar system orbit along the same plane?
Why are most planet orbits in our solar system on relatively the same 2D plane?
Which star has the most planets orbiting it? Does a planetary orbit depend on the sun? What is the point of all the other planets? How many planets are currently in our solar system? Why is the earth's orbit around the sun almost circular? How many planets do we have in our solar system? How is each planet different from each other? What's the point of existence of other planets? Why doesn't Jupiter orbit the sun? How close can two or more Earth sized planets orbiting a small star come before they adversely affect each others’ orbits? How do flat earthers explain the rotation of planets as seen through telescopes? How many planets are there in the solar system? Does rotation of planet depends on its radius? Which nation has launched the most satellites into orbit around Earth? Which planet in our solar system is the most habitable besides earth? Is the planet earth moving close to the sun with every orbit? Which planet is considered as the earth's twin? How many moons, planets and dwarf planets do we have in our solar system? How many planets are there in the solar system including the dwarf planet? Given the trillions of objects orbiting the sun in the Asteroid, Kuiper-Edgeworth and Oort Belts, why haven't more coalesced to form planets? How many spherical moons, dwarf planets and terrestrial planets are there in the Solar System? How big would the sun look on other planets? Why don't planets have phases like the moon? How important would be the finding of another planet in our solar system? Would it be possible for a planet to orbit two stars in a figure eight pattern? Would a year on Earth be shorter if our planet was orbiting two suns? Why is our solar system or milky way almost flat? Is there a planet X in our solar system? What are the dwarf planets in the solar system? Why cant we send space probes with orbits similar to that of comets? Why are the shapes of planets and stars spherical? Why aren't they square or any other shape?