The plane of the Earth's orbit around the Sun. A closed curve that is from two foci or points in which the sum of the distance from any point on the curve to the two foci are constant. Johannes Kepler first discovered that the planets orbit the Sun in ellipses, and not in circles. A sudden eruption of energy on the solar disk lasting minutes to hours, from which radiation and particles are emitted. A pattern of small cells seen on the surface of the Sun caused by the convective motions of the hot solar gas.
Carbon dioxide is the major factor.
A mutual physical force attracting two bodies. A narrow wavelength of red light which is emitted and absorbed by the element hydrogen. This wavelength is often used to study the Sun. Sun centered, such as in the Copernican theory. The point where the solar wind meets the instellar medium or solar wind from other stars.