0
1) It must orbit the sun directly, and not another solar system body. (This lets out Ganymede, for example, which orbits Jupiter.)
2) It must have sufficient mass to have reached hydrostatic equilibrium: a near-round shape. (This removes most asteroids, which are too small for gravity to have rounded them off.)
3) It must have cleared the neighborhood around its orbit. (This eliminates Ceres, because it hasn't cleared its neighborhood of other asteroids; and Pluto, because it's locked into a resonance orbit with the much-larger Neptune.)
What else can I help you with?
Which planet fits into all three categories?
Mars fits into all three categories of being an inner planet, a terrestrial planet, and a small planet in our solar system.
What are the rules for a planet not to be considered a planet?
Pluto is not a planet because it has not cleared everything from its orbit. The rules of a planet are:It orbits the SunIt is large enough for gravity to squash it into a ballIt must have cleared everything in its orbit (Pluto did not fulfill this).
Planet ruled by Ming the Merciless in Flash Gordon?
The planet ruled by Ming the Merciless in Flash Gordon is called Mongo. It is a tyrannical dictatorship where Ming rules with an iron fist and seeks to conquer and enslave other worlds. Flash Gordon and his companions work to overthrow Ming's oppressive regime and free the people of Mongo.
What planet is next to three planets away from mars?
The planet next to three planets away from Mars is Earth. In order, it would be Mars, asteroid belt, Jupiter, Saturn, and then Earth.
How many moons does tatooine have?
Tatooine is a two-sun planet with three moons.
What planet rules Gemini in 1991?
No matter the year, the planet that rules Gemini is Mercury.
What are three rules for consideration for planets?
Three rules for consideration for planets are: 1) The planet must orbit a star. 2) The planet must have enough mass to have a nearly round shape. 3) The planet must have cleared its orbit of other debris.
What planet rules sagittarius?
The ruling planet of Sagittarius is Jupiter.
What is zodiac sign Gemini's ruling planet?
Mercury Also Rules Virgo.
What number is the earth?
Earth is the third planet from the Sun in our solar system. It is often referred to as "planet number three" or "the third planet."
Which planet fits into all three categories?
Mars fits into all three categories of being an inner planet, a terrestrial planet, and a small planet in our solar system.
What are the three features of a planet?
Three features of a planet are: 1. Surface 2. Space and 3. Visibility
What planet is a gas planet with only three rings?
neptune
What planet is a gas planet with only three moons?
jupiter
How do you use codes on Movie Star Planet?
Calandra Clement Rules
What planet rules the number 11?
None. Planets do not rule numbers.
What are the rules for the Saiyans on Planet Vegeta?
whatever frieza says the rules are!!! STUPID! Frieza dont own that planet King Vegeta does and the rules were "No attacking royalty (King Vegeta,Vegeta)And listen to royalty. And dont attack anyone unless the king okays the attack.
