Question

exploring the threat of impacts to earth
use the information from the article to answer the question
nasa
when scientists discuss objects that might hit earth, what term do they use to describe them as a group?
near - earth objects
asteroids and comets
space - junk
celestial bodies

Explanation:

When scientists discuss objects that might hit Earth, the general term for them as a group is near - Earth objects. Asteroids and comets are types of near - Earth objects, and "Shoemaker - Levy 9" is a specific comet, while "celestial bodies" is a very broad term.

Answer:

near - Earth objects