Nectarine trees produce varietals of fruit that commonly have smooth skin, firm flesh and a stone that either removes easily from the flesh or clings to it, giving them further classification as clingstone or freestone.
The ecliptic is an imaginary line that marks the path of the sun. The signs of the Zodiac come from the constellations that lie along this line. As Earth orbits the sun, the sun appears to drift across the background stars. The ecliptic marks out the path of this motion on the sky.
Definition of equator. 1  1 : the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth. 2  2 : a great circle of the earth or a celestial body that is everywhere equally distant from the two poles and divides the surface into the northern and southern hemispheres. 3a : a circle or circular band dividing the surface of a body into two usually equal and symmetrical partsb : equatorial plane the equator of a dividing cell.