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Progress in Earth and Planetary Science

Table 3 Symbols used to describe rays

From: Mars core structure—concise review and anticipated insights from InSight

Symbol

Use

P

A downgoing P wave in the mantle

S

A downgoing S wave in the mantle

K

A P wave in the outer core

I

A P wave in the inner core

c

A reflection from the CMB topside

i

A reflection from the ICB topside

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