Who Postulated That Long Peroid Comets Orginated In A Orbiting Cloud

1.	Who Postulated That Long Peroid Comets Orginated In A Orbiting Cloud At The Outermost Edge Of The Solar System ??
Answer» ESTONIAN ASTRONOMER ERNST Opik in 1932. Estonian astronomer Ernst Opik in 1932.

Who Postulated That Long Peroid Comets Orginated In A Orbiting Cloud At The Outermost Edge Of The Solar System ??

Answer»

Estonian astronomer Ernst Opik in 1932.