When a comet passes near the Sun,part of it takes on the appearance of a large,bright ball from which the tail extends.This part is called
A)the nucleus.
B)the coma.
C)the plasma tail.
D)the Oort core.

Question

Quizplus · Accepted Answer

The part of a comet that takes on the appearance of a large, bright ball from which the tail extends is called the coma. The nucleus is the solid, central part of the comet, while the plasma tail is the ionized gas that extends from the coma. The Oort core is not a recognized term in comet anatomy.

When a Comet Passes near the Sun,part of It Takes