What was ptolemy's explanation about the orbits of mercury and venus?

Anonymous

∙ 12y ago

Updated: 8/19/2019

Venus moved on an eccentric and epicycle, the same as outer planets, but the Center of the epicycle followed the mean sun. Mercury is more confusing, with a crank mechanism that brings the epicycle closer and farther in an ellipse throuout the year, there probably was an Equant too. Venus' model at least was very accurate, and I can't find Mercury's accuracy.

Wiki User

∙ 12y ago

What else can I help you with?

Can Mercury be a moon for venus?

No. Mercury orbits the sun, not Venus. Therefore it is a planet, not a moon.

Which planet are between earth and the sun?

The orbits of Mercury and Venus are between the sun and the orbit of Earth. That is different from saying that Mercury and Venus are between the sun and Earth, which is often not true.

Which two planets have the shortest orbits around the sun?

Mercury and venus.

What planet orbits around the sun in east to west?

Venus and Mercury

How many planets have their orbits between the earth and the sun?

Two. Mercury and Venus

What planet does moon orbits?

All the planets except Venus and Mercury have moons.

What planet has no moons and orbits the sun very fast?

That would be Mercury. Venus also has no moons, but does not move as fast as Mercury.

What is the comparison between Mercury's and Venus' orbits?

Mercury's orbit is moderately eccentric, at 0.2056, while Venus's orbit is the least eccentric of any planet in the solar system, at 0.0067. Mercury's inclination is at 7º, while Venus's is at 3.39º.

Which two planets do not have eclipses?

Mercury and Venus do not experience eclipses because they lack moons large enough to create shadows on their surfaces during their orbits.

What two planets have the closest orbits?

Closest Orbits between one another, or between themselves and the sun? Mercury & Venus - From the Sun

What planet revolves around the sun in less time than it rotates around its axis?

Saturn. This is untrue. Both Mercury and Venus have shorter orbits and therefore take less time to orbit the Sun, because they are the two planets closer to the Sun then Earth. Saturn is further from the Sun and takes much longer to orbit it.

Name of planets orbit closest to the sun?

The Inner Planets: Mercury, Venus, Earth and Mars

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