Recurso que presenta el significado y modo de empleo de la coma, el punto, el punto y coma, los dos puntos y los puntos suspensivos.

The educational resource shows a visual about the comets: Comets are small bodies, generally measuring less than 100 km in diameter. They tend to be made principally of ice. When they near the Sun, they exhibit a tail (or coma) for which they are famous.