The yellow square in the center is the sun. The planets can be found "in orbit" around the sun, but each planet has an extra letter. The letters spell the answer, HEARTPIN.
B | E | F | L | P | V | L | R | E | R | O | U | F | A | Z | R | H |
J | R | U | W | A | E | E | F | V | H | I | E | C | Y | G | M | T |
A | A | Y | E | C | T | A | C | T | E | E | M | Y | P | I | E | F |
L | I | F | D | P | M | U | S | S | O | I | M | F | O | J | X | A |
K | N | B | V | H | S | R | R | A | M | E | I | L | B | M | I | L |
A | U | E | W | O | A | R | A | E | Q | R | R | A | R | H | N | E |
M | S | F | O | O | T | I | Z | G | T | F | G | B | L | X | D | P |
P | G | M | V | R | H | P | H | R | E | A | G | L | Z | K | U | G |
T | U | S | K | P | E | N | C | M | R | I | K | R | R | E | E | |
E | A | S | U | F | E | S | U | R | Y | S | N | Y | E | A | S | G |
H | O | R | A | K | L | V | E | N | E | U | O | M | T | S | R | H |
D | E | R | E | A | J | L | A | D | M | W | O | C | I | W | G | C |
L | L | Y | M | D | R | R | E | X | F | A | I | A | T | N | I | S |
M | R | E | N | R | N | O | D | A | P | R | J | U | P | R | R | I |
N | M | N | F | C | A | U | H | K | C | S | A | T | P | U | M | G |
E | A | F | U | O | L | A | O | L | N | E | M | M | H | A | M | U |
P | N | T | U | N | E | E | E | R | R | A | G | V | B | O | I | L |