17

Given an image or animation of a body in space, the learner identifies it as a comet when (and only when) it is a frozen body of ice, dust, and rock that orbits the Sun (visible tail near the Sun; no tail when far from the Sun).

grade level
5
frames
16

This object is just starting to get close to the Sun. A faint, hazy cloud of gas is beginning to form around it.

An image of a comet that is just beginning to approach the Sun. A faint, hazy cloud of gas is starting to form around its icy nucleus, and a short, developing tail is faintly visible in the dark space.
An image of a comet that is just beginning to approach the Sun. A faint, hazy cloud of gas is starting to form around its icy nucleus, and a short, developing tail is faintly visible in the dark space.

Prompt

What kind of object is this?