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Eccentricity, geocentric model, heliocentric model, Kepler's second and third laws, elliptical orbits, and Newtons gravitation

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Q: What are Six early ideas about planetary motion?
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What are the three fundamental laws of planetary motion which describe the copernican theory?

There are no fundamental laws behind the Copernican theory. The three laws of planetary motion that we use now were discovered by Johannes Kepler and published in 1609, sixty-six years after Copernicus died. Kepler introduced the new idea of elliptical orbits. The idea that the Sun is at the centre (loosely speaking) was the only part of the Copernican theory that Kepler retained.


The clockwise spin of a planet or moon as seen from above the north pole of the planet?

Actually, in THIS solar system, most of the things that spin spin counter-clockwise. All of the planetary orbits are CCW; most of the moons orbit CCW. Out of eight planets, six spin CCW, and of the others, one is tipped sideways and the other hardly spins at all. We don't know about ALL of the various moons, but most of the moons we have examined spin CCW. Exceptions exist, but are rare. Why does everything spin CCW? Best guess is that the planetary nebula that formed the Sun and planets was itself rotating counter-clockwise. We expect that we will find that other solar systems will turn out to be split about 50-50.


What are the 3 Kepler's laws?

There are no fundamental laws behind the Copernican theory. The three laws of planetary motion that we use now were discovered by Johannes Kepler and published in 1609, sixty-six years after Copernicus died.Kepler introduced the new idea of elliptical orbits. The idea that the Sun is at the centre (loosely speaking) was the only part of the Copernican theory that Kepler retained.


What shape are the paths of the planets around the sun?

Kepler's laws of planetary motion, which have been around for 400 years, say that a planet's path or orbit has the shape of an ellipse as a result of the Sun's inverse-square gravitational force. The shape of an ellipse is measured by its eccentricity factor, which expresses how far each focus is from the centre (the Sun is always at one focus). A circle is a special case of an ellipse with zero eccentricity. The eight planets have orbits with low eccentricity, so the best way to draw a planetary orbit is to draw a circle with a pair of compasses. Apart from Mercury, Mars has the most eccentric orbit, with eccentricity of 9%, which means that the minor axis of the ellpise is only 0.4% smaller than the major axis. The other six planets have less eccentricity and orbits which are even more nearly circular.


How many stars are there in the Australian flag?

The Australian flag has six stars.The group of five stars to the right of the Union Jack form the constellation of the Southern Cross, a valuable navigation aid to early sailors travelling through the southern hemisphere.The sixth star, situated below the Union Jack, is known as the Federation or Commonwealth star. It has seven points, with six of the points representing the unity of the six states of Australia, and the seventh representing Australia's two mainland territories as well as its numerous external (offshore) territories.

Related questions

What are the three fundamental laws of planetary motion which describe the copernican theory?

There are no fundamental laws behind the Copernican theory. The three laws of planetary motion that we use now were discovered by Johannes Kepler and published in 1609, sixty-six years after Copernicus died. Kepler introduced the new idea of elliptical orbits. The idea that the Sun is at the centre (loosely speaking) was the only part of the Copernican theory that Kepler retained.


What are the Six basic types of motion?

The Six Basic Types of Motion are as follows: Linear, Rotary, Intermittent, Reciprocating, Oscillation, and Irregular.


What are the six ideas of the U.S. Constitution?

The six ideas are: Popular Sovereignty, Federalism, Republicanism, Separation of Powers, Checks and Balances, and Limited Government.


What are the six motion of the ship?

Heaving,Surging,Swaying,Pitching,Rolling,Yawing


Six letter words ending with the letter n?

Motion is all I can think of


Which of the six pillars of character encompasses the ideas of altruism and benevolence?

Caring


How early can implantation be?

Usually around six days after intercourse.


What was something built by early Texans?

a six letter word


Where can someone find ideas for webpage designs?

Ideas for web page designs can be found on The Next Web, You The Designer, Cool Homepages, Six Revisions, Design Ledger, Ideas For Pixels and Hong Kiat.


Does the SnakeByte Premium PlayStation 3 wired controller support sixaxis motion-sensing?

Yes, the SnakeByte Premium Playstation 3 wired controller does support the six axis motion sensing.


When is the next series of glee coming?

Season Six will be aired in early 2015.


What gift ideas would be suitable for six year old girls?

There is a wide range of gift ideas for six year old girls and it really depends on the tastes of the individual. There are tablets aimed at children such as the LeapFrog LeapPad or the Boogie Board, Harry Potter Toys or fairy costumes for example.