This belt beyond Neptune contains icy bodies including Pluto.

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Your new ahaKuiper Belt

The Kuiper Belt lies beyond Neptune and contains many icy bodies. Source: Kuiper Belt ↗

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17This proposed distant, roughly spherical cloud supplies many long-period comets.RECALL
Oort cloud
It is a source of long-period comets
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18This small icy body develops a coma and sometimes a tail as it approaches the Sun.RECALL
Comet
Solar heating releases gas and dust
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19This small rocky or metallic body travels through space, before any atmospheric entry.RECALL
Meteoroid
A meteor is the visible streak
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