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The outer Oort cloud. (The inner Oort cloud is believed to be disk-shaped.)

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What object is least likely to have a spherical shape?

Mercury has about the most perfectly spherical shape, but Saturn has the leastspherical shape (next least spherical is Jupiter).


What is the spherical region that surrounds the solar system and extends almost halfway to the nearest star?

The Oort Cloud of comets.


What celestial object come from a Oort cloud?

Comets originate from the Oort cloud, a spherical shell of icy bodies at the outer edges of our solar system. These comets can be perturbed and sent into the inner solar system where they become visible as they approach the Sun.


What are the solar systems comets called?

.... errr - well comets.


What is a spherical region of comets on the outer edges surrounding the solar system?

The spherical region of comets on the outer edges of the solar system is known as the Oort Cloud. It is believed to be a vast, hypothetical cloud of icy bodies that extends far beyond the orbit of Pluto, serving as a source for long-period comets. The Oort Cloud is thought to contain trillions of comets, which are remnants from the early solar system. Its exact boundaries and composition remain largely theoretical, as it has not been directly observed.


How many comets are in the Oort cloud?

It is estimated that there are trillions of comets in the Oort cloud. These comets are believed to be remnants from the early solar system and are located in a spherical region surrounding the solar system at distances ranging from about 2,000 to 100,000 astronomical units (AU) from the Sun.


What are the comets called that orbit the sun every 200 years or less?

short period comets


Beyond the kuiper belt lies a great reservoir of comets called?

the Oort Cloud, which is a spherical shell of icy objects located at the outermost reaches of the solar system. These comets are believed to originate from the early days of the solar system and occasionally get gravitationally nudged towards the inner solar system.


Are comets the same size as planets?

No, comets are generally much smaller than planets. Comets are composed of ice, dust, and rocky materials and can range in size from a few hundred meters to tens of kilometers in diameter. In comparison, planets are much larger celestial bodies that orbit stars and have a defined spherical shape.


What are comets sometimes called?

snowballs


Why is the earth spherical in shape while most asteroids and comets are not?

Earth is much more massive than asteroids and comets, and thefore has much stronger gravity, which pulls it into a spherical shape. Most asteroids and comets do not have strong enough gravity to do this.


Comets that appear within every 200 years are called comets?

long period comet