Maybe you have found a IDX file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a IDX file related error message. Before you can open a IDX file, you'll need to figure out what kind of file the IDX file extension refers to. Tip: Incorrect IDX file association errors can be a symptom of other underlying issues within your Windows operating system.
There are two equinoxes every year â in March and September â when the Sun shines directly on the equator and the length of night and day are nearly equal. The Earth during the equinox. (Not to scale)On the equinox the Earth's axis is perpendicular to the Sun's rays.
equinox. equinox (ÄËkwÄ­nÅks) [ key ], either of two points on the celestial sphere where the ecliptic and the celestial equator intersect. The vernal equinox, also known as the first point of Aries, is the point at which the sun appears to cross the celestial equator from south to north. This occurs about Mar.