Question

6. Named after a Dutch astronomer Jan, who first theorised its existence, this is an extended shell
of icy objects that exists in the outermost reaches of the solar system. It is roughly spherical
and is thought to be the origin of most of the long-period comets that have been observed.​

Answer 1

Answer:

astronomer Jan Oort

Explanation:

The Oort Cloud is an extended shell of icy objects that exist in the outermost reaches of the solar system. It is named after astronomer Jan Oort, who first theorised its existence.