This proposed distant, roughly spherical cloud supplies many long-period comets.

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Your new ahaOort cloud

The Oort cloud is a hypothesized distant reservoir of icy bodies. Source: Oort cloud ↗

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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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20This streak of light appears when a space rock enters an atmosphere.RECALL
Meteor
It is often called a shooting star
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