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An ellipse is given by the equations x^2/a^2+y^2/b^2=1

You'd have to ask the earth what it's ellipse is though.

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14y ago

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What is the sha of the earths orbit?

An ellipse.


What the earths path around the Sun?

It's almost a circle, but actually it's an ellipse.


Is the sun the center of earths ellipse or is the sun off center of earths ellipse?

The Sun does NOT lie at the centre of an ellipse. The Sun is at one of the two foci of an ellipse. Have you ever drawn an ellipse with two pins a piece of string and pencil on a board. Insert the two pins into the board/paper. Loosely loop the string over the pins, and tighten with the edge of a pencil. Keeping the string taught with the pencil you can draw an ellipse. The positions of the two pins are the foci of the ellipse. Astronomically, the Sun lies at one of these pins. This was discovered by the Astronomer , Johannes Kepler, who gave us the law, that the Earth sweeps equal arcs in equal times about the Sun . The other focus may be thought of as a 'blind' focus. Have a look in Wikipedia under 'Johannes Kepler'. NB The plural of the noun 'focus' is 'foci'. 'Focuses' is when the word 'focus' is being used as a verb.


What is the path of earths orbit is in the shape of an elongated closed curve called and what?

The path of Earth's orbit in the shape of an elongated closed curve is called an ellipse. An ellipse is a type of geometric shape that resembles an elongated circle, with two focal points inside the curve. This shape is a result of the gravitational forces between Earth and the Sun.


What is earths year long elliptical orbit around the sun?

The Earth's orbit is elliptical and it takes a year to get round the ellipse once. The ellipse is almost a circle - the minor axis is only 0.014% smaller than the major axis. The Sun is off-centre by 2.5 million kilometres and the Earth is closest in January (147.1 million km) and furthest in July (152.1 million km), when it is at either end of the major axis of the ellipse.