SOLAR SYSTEM

UNIVERSE

COMETS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of comets have an orbit of less than 200 years?
A
Short period comets
B
Long period comets
C
Short life comets
D
Long life comets
Explanation: 

Detailed explanation-1: -There are two categories of comet, based on the amount of time they take to orbit the Sun. Short-period comets take less than 200 years, and long-period comets take over 200 years, with some taking 100, 000 to 1 million years to orbit the Sun.

Detailed explanation-2: -Long-period comets (which take more than 200 years to orbit the Sun) probably come from the Oort Cloud, which is sometimes described as a “cometary reservoir."

Detailed explanation-3: -Other famous short-period comets include Comet Encke, Comet Swift-Tuttle and Comet Giacobini Zinner.

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