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2011-02-02 03:54:41
2011-02-02 03:54:41
  1. The Sun - the star at the centre of the Solar System, which contains 99.98% of its total mass. By far the biggest, hottest, brightest and most massive object in the Solar System.
  2. The inner Solar System, containing four terrestrial planets orbiting close to the Sun - Mercury, Venus, Earth and Mars. Terrestrial planets are small, made of rock and metal, have a solid surface, thin atmospheres, no rings and few moons (Earth has one large Moon, Mars has two little ones.) Some asteroids (small objects made of rock and metal) orbit the Sun in this zone too - Mars' two small moons could be captured ex-asteroids.
  3. The asteroid belt, between Mars and Jupiter. Most asteroids orbit here. The largest asteroid, Ceres, is about 13 times smaller than Earth, and big enough for its gravity to pull it into a rounded shape, so it counts as a dwarf planet.
  4. The outer Solar System, containing four spread out giant planets - Jupiter, Saturn, Uranus and Neptune. All four are enormous planets, made of gas and ice, have no solid surface, thick atmospheres, all have rings, and all have many moons. A few asteroids (known as Centaurs) orbit here, as well as icy objects called comets. Comets on highly elliptical orbits sometimes pass into the inner Solar System too, where the Sun's heat warms them and the melted/evaporated ice forms a tail.
  5. The Kuiper Belt, a swarm of icy and rocky material beyond Neptune that was too spread out and moving too slowly to collect together into a big planet. Most Kuiper Belt objects are small chunks of ice and rock - comets and asteroids - but some are big worlds big enough to pull themselves into spheres, and these are dwarf planets too. Pluto is the most famous because it was classified as a planet before we knew about the other KBOs, but Eris is slightly larger and a lot more massive. The outer part of the Kuiper Belt, where Eris orbits, contains many KBOs on highly tilted, eccentric orbits, and is sometimes called the Scattered Disc and made into its own section.
  6. The Oort Cloud. We don't know for sure that this exists, but it's thought to be a huge spherical swarm of comets very, very far from the Sun. Most of the comets in the inner sections come from here.

Related Questions

Sun,stars, innerplanets,asteroids,gravity,outer planets

The outer parts of the solar system are Jupiter, Saturn, and Uranus. (everything past the 'meteor belt')

passive solar heating system

The equipment that is sent from earth to distant parts of our solar system is satellites.

"The Solar System may be divided by its components into three major components: the inner system, the near outer system, and the far outer system." There are not 7 parts as such.

The planet of other solar system has six moons.

That is because it consists of several parts.

The sun. Without it, there would be no Solar System!

The parts of our solar system consist of all of the known planets, our sun, dust and gases which are included within the circle of our solar system. Our solar system is so called because everything revolves around our sun i.e Sol. Our system and all beyond is called the universe or everything that exists anywhere.

The sun producess most of the heat and light in the solar system :D

The inner solar system, the asteroid belt, the Jovian planets, and the Edgeworth-Kuiper belt.

it does that so they see more stuff that is happening around the solar system

Six planets have more than one moon in our solar system.

Six out of the eight planets in our solar system have moons. (Mercury and Venus are the only two that do not.)

The Solar System is made up of the planets. It could not be smaller than the parts that make it up.

Saturns the sixth one out from the sun.

The different parts of the Solar System attract one another through gravity. Since the Sun has most of the mass of the Solar System, other objects are mainly attracted to the Sun.

In some parts of the world, there is NO sun (to speak of) for as much as six months! In these areas, solar power is out of the question, unless there is a monstrously large storage system that can hold the energy during the six months of sunlight!

Our solar system is simply called "the Solar System".Our solar system is simply called "the Solar System".Our solar system is simply called "the Solar System".Our solar system is simply called "the Solar System".

Six of the eight planets in the solar system have at least one moon. That's 6/8 or 3/4 of the planets.

The sun is the only source of light in the solar system. All other visible objects in the solar system are visible only because the sun illuminates them, like a flashlight.

Yes, just about any object in the Solar System - or in space in general - spins. Some faster, some slower.

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