#39 UNIVERSAL SEQUENCE

What are the missing four letters in the following sequence (in the correct order) ?

? - ? - ? - V - E - N - U - S - ?

Correct answer: P,M,M,J

Explanation:

This sequence consists of the first letters of the planets of the solar system when sorted by the size (radius) of the planets, beginning with the smallest:

(P)luto - (M)ercury - (M)ars - (V)enus - (E)arth - (N)eptune - (U)ranus - (S)aturn - (J)upiter

It's funny to see that 'VENUS' as a planet's name also occurs in the sequence.

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