Mercury 4?

Card	Mercury 4
Set	Planets
Edition	Puzzle
Book value	Est. 25 to 60 Credits once graded
Checklist	38 / 90
Rarity	Uncommon
Owned	2

Mercury, piece 4 of 9

Mercury turns so slowly, and orbits so fast, that one full day from sunrise to sunrise lasts 176 Earth days, twice as long as its year. The planet spins exactly three times for every two orbits.