At the time of the equinoxes, the sun appears to move from one hemisphere to the other. The vernal equinox in March is when ...

During metaphase, the microtubules pull the sister chromatids back and forth until they align in a plane, called the equatorial plane, along the center of the cell. During anaphase, the sister ...

Their combined mass is similar to that of Saturn's moon Mimas. All these particles orbit Saturn in Saturn's equatorial plane. The particles do not emit visible light of their own but reflect and ...

During the cell division phase called metaphase, the microtubules pull the chromosomes back and forth until they align in a plane along the equator of the cell, which is called the equatorial plane.

One either side of the triangle lies a bow-shaped quadrant, each of which is inclined at 28.4° to the vertical in the equatorial plane. The sundial works by casting the shadow of the gnomon (a ...