What Are the Categories of Bodies in the Solar System? In General, Where Can They Be Found?
Introductory Astronomy: The Eight Planets
Our Solar Arrangement is a diverse drove of planets, asteroids, moons, comets, and meteoroids which all revolve effectually the central star, our Sun. These objects represent a broad range of sizes, compositions, and temperatures. Some of these objects are active, with volcanos or huge weather condition patterns; others are expressionless, dusty, cratered chunks of rock. They are united by a common center of gravity: the Dominicus.
We live on the third planet from the Dominicus: the World. It is one of the "terrestrial planets". Planets are mostly divided into two groups: the terrestrial and the giant planets. The terrestrial planets are the four inner planets: Mercury, Venus, Earth, and Mars. They are mostly small in size (about the size of the Earth) and are predominantly rocky in composition. The giant planets are the next four: Jupiter, Saturn, Uranus, and Neptune. These four are the largest planets in the Solar Organization. They are rich in hydrogen ices and gases, by and large have more than satellites than the terrestrial planets, and have rings. Pluto, considered a dwarf planet falls into neither category!
Most of the planets take satellite moons which orbit about them like a miniature solar system. Our Earth, for example, has one moon. Jupiter, on the other hand, has 16! Also, most planets orbit the Sun in the same plane. Pluto's orbit is the most inclined to the plane of the Earth's orbit.
Asteroids, meteoroids, and comets are by and large smaller bodies which orbit the Dominicus. Asteroids and Meteors are usually clustered in specific regions in the Solar Organization ("belts") while comets travel lonely on oftentimes highly eccentric orbits. They are known collectively equally "Infinite Droppings."
This page volition give you a general overview of the unlike planets that brand upwards our Solar System. You will besides find many helpful links to sites with more information nigh the planets (plus Pluto). And so, without further ado, here are the nine planets (in gild):
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto
To browse a really neat site, which contains information, pictures, and links to lots of other web sites on the eight Planets, click hither.
At present that you know all about the worlds of our Solar System, click hither to larn well-nigh planets discovered in other solar systems.
Afterwards you review these sections, endeavor a few sample questions to exam your understanding. These questions are typical of questions given in introductory astronomy class exams. They are meant only to requite you lot an idea of what kinds of questions MIGHT be on your test. Only considering these questions are hither does Not mean that you will accept questions like them on your exam, NOR does it even mean that you will have questions on these topics on your exam. They are just PRACTICE questions!
Good LUCK!!
Source: https://www.astro.umd.edu/resources/introastro/planets.html
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