Long period comets (orbits of more than 200 years) are thought to have originated in the Oort cloud.
Oort (Yes - that is what it is called)
The Oort Cloud
Jan Hendrik Oort suggested that comets come from the Oort Cloud. This is sometimes called the Oort Hypothesis.
The Oort Cloud is the answer.
A few MILLION!
Oort (Yes - that is what it is called)
Comets.
in the oort cloud
Comets
Comets are created in the Oort cloud. The Oort cloud is a big circle of ice and dust surrounding our solar system.
No it does not. The Oort cloud is not a planet. It is a sphere of comets around our solar system.
The Oort Cloud
Jan Hendrik Oort suggested that comets come from the Oort Cloud. This is sometimes called the Oort Hypothesis.
Comets come from the Oort cloud and the Kupier Belt
The outer Oort cloud. (The inner Oort cloud is believed to be disk-shaped.)
About a trillion.
Yes