About a trillion.
Jan Hendrik Oort suggested that comets come from the Oort Cloud. This is sometimes called the Oort Hypothesis.
Long period comets (orbits of more than 200 years) are thought to have originated in the Oort cloud.
The Oort Cloud is the answer.
The cloud of frozen comets that surrounds Pluto is called the Kuiper Belt.
Comets have two main sources, the Oort Cloud or the Kuiper Belt
in the oort cloud
Comets.
Comets
Comets are created in the Oort cloud. The Oort cloud is a big circle of ice and dust surrounding our solar system.
The Oort Cloud is a region of space surrounding our solar system that is believed to contain trillions of icy objects, such as comets, extending out to about 1 light year from the Sun. It is thought to be the source of long-period comets that occasionally enter the inner solar system.
Jan Hendrik Oort suggested that comets come from the Oort Cloud. This is sometimes called the Oort Hypothesis.
Long period comets (orbits of more than 200 years) are thought to have originated in the Oort cloud.
Comets come from the Oort cloud and the Kupier Belt
The outer Oort cloud. (The inner Oort cloud is believed to be disk-shaped.)
Yes
Comets.
The Oort Cloud is the answer.