What is the difference between a continuous spectrum and a line spectrum

Explanation:

The continuous spectrum is a band of visible colors of light. The continuous spectrum contains all the colors of all the visible wavelengths. Usually, most of the light is emitted from a single source. Whereas a line spectrum contains only a few colors and wavelengths of the visible spectrum with gaps of the discontinuity between them. The line spectrum is usually emitted by an excited electron of an atom that is going back to its ground state.

An  atom  (ours, not carroll's) consists of a positively charged  nucleus, surrounded by one or more negatively charged particles called  electrons. the positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen. although the nucleus is heavy, it is quite small compared with the overall size of an atom. the radius of a typical atom is around 0.1 to 0.25 nanometres (nm), whereas the radius of a nucleus is about 10-6  nm.  *  if an atom were enlarged to the size of the earth, its nucleus would be only 200 feet in diameter and could easily rest inside a small football stadium.read more on -