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The terms "inferior planet" and "superior planet" were originally used in the geocentric cosmology of Claudius Ptolemy to differentiate those planets (Mercury and Venus) that were between the stationary Earth and the orbiting Sun from those planets (Mars, Jupiter, and Saturn), which lay beyond the Sun's orbit.
The terms are now used with the heliocentric model.
"Inferior Planets" have orbits closer to the Sun than the Earth's orbit.
They are Mercury and Venus.
The "Superior Planets" have orbits outside the Earth's orbit.
They are Mars,Jupiter, Saturn, Uranus and Neptune.
So, the meaning is slightly different from "Inner Planets" and "Outer Planets".
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The illusion that slower moving superior planets appear to reverse their direction of travel when the earth catches up and passes them is called what?
This phenomenon is called retrograde motion. It occurs when Earth, which has a shorter orbit than the superior planets, overtakes and passes them in their respective orbits around the Sun, creating the illusion of the planets moving backwards in the sky.
How many types of planets are in space?
There are 7 main classification of Planets. They are classified into the following groups; * Inferior Planets * Superior Planets * Inner Planets * Outer Planets * Terrestial Planets, * Jovian Planets * Gas Giants
What other planets did differentiation occur?
Differentiation occurred in other inner planets, besides Earth.
Is an octagon an oval shape like the planets orbits?
true
Is it true that a planet has 12 moons?
No, the statement is not always true. While some planets, like Jupiter and Saturn, have numerous moons, not all planets in our solar system have 12 moons. Some planets, like Earth and Mars, have fewer moons, while others have none at all.
Is it true that the courage of the Arab soldiers was enhanced by the fact that they had superior weapons to most of their enemies?
Its true
What is a interesting fact about lake superior?
There are 78 species of fish in Lake Superior.
What is the difference between a Virtual 7.1 surround sound headset and True 7.1 and which is superior?
True 7.1 is superior. Virtual is just a simulation of true 7.1.
Scientist who study other planets are wasting their time?
Not true, it is a fact that scientist who study other planets, learn about that planet, which may lead to finding if Humans are the only 'Living Thing' alive in outer space.
When do superior planets appear brightest?
Superior planets (those outside Earth's orbit) appear brightest when they are at opposition, which is when they are on the opposite side of Earth from the Sun. This is when they are closest to Earth and fully illuminated by the Sun.
Who was superior Hebrews or Ethiopians?
Neither were superior to the other. In fact, the two nations had very little interaction.
What are the 5 outer planets?
There are only 4 "outer planets". They are Jupiter Saturn Uranus and Neptune. There are 5 planets outside the Earth's orbit. They are the above 4 plus Mars. These 5 are called the "superior planets".
Are there 8 planets from the sun?
There are eight true planets in our solar system.
Do only the inner planets have atmospheres?
Negative, not only do the inner planets have atmospheres, but the outer planets also have atmospheres. The masses of the outer planets are great, enough easily to hold an atmosphere. In fact it's Mercury, an inner planet, that has almost no atmosphere. True, Mercury has a less mass and the closeness to the sun make it impossible to hold on a atmosphere. As matter in fact, Mars had a atmosphere, but the solar wind had almost eaten all the atmosphere that Mars had.
The slower moving superior-planets appear to reverse their direction of travel when what?
This is called the Retrograde
Is it true the Spanish were unable to overpower the Aztecs and the Incas with their superior weaponory?
That is not true.
Which of the following is true for both gas planets and terrestrial planets?
They are a round shape.
