This group of comets is situated roughly one light year from the Sun.
Its existence was originally theorized in 1932 by Estonian astronomer Ernst Öpik. The theory was revised and proposed again by the namesake Dutch astronomer to explain the continued presence of comets in the solar system despite each comet being destroyed after several journeys through the inner solar system. This group of comets is situated roughly one light year from the Sun. FTP, name this grouping of comets that is believed to be the source of most of or all comets that enter the inner solar system.
Its existence was originally theorized in 1932 by Estonian astronomer Ernst Öpik.
{Oort Cloud}