An ellipse has 2 foci. They are inside the ellipse, but they can't be said to be at the centre, as an ellipse doesn't have one.
Off the top of my head, I would have thought a) aren't all ovals symmetrically shaped? and b) "oval" isn't really a very precise term. The question being in "space travel and exploration" makes me suspect the word you may be looking for is "ellipse".
Earth revolves around Sun. Or Earth orbits around the Sun. It means that Earth goes around the Sun (circles around the Sun if you want although the trajectory is not exactly a circle but an ellipse).
free from the motion of earth
Eccentricity does not refer to the [size] of the ellipse. It refers to the [shape].An ellipse with [zero] eccentricity is a [circle].As the eccentricity increases, the ellipse becomes less circular,and more 'squashed', like an egg or a football.
No it cannot. A polygon is a plane space enclosed by straight lines. An ellipse consists of a curved line, not straight lines.
an ellipse is a circle in a drawing. E.G. at the top of a flower vas.
earth, ellipse and elliptical
If you mean the shape of the orbit, that's an ellipse.
In simple terms, Parabola, Hyperbola or Ellipse
I think you mean an ellipse.
pretaining or having the form of an ellipse
isn't it an arty word, like when you draw an ellipse-- so when you see/draw something with an ellipse you call it an elliptical drawing
No. Both foci are always inside the ellipse, otherwise you don't have an ellipse.
No. Both foci are always inside the ellipse, otherwise you don't have an ellipse.
No. Both foci are always inside the ellipse, otherwise you don't have an ellipse.
Tagalog of ellipse: Ilipse