Mercury, Venus, Earth, Saturn, Uranus, Jupiter, Mars, Neptune Mercury, Earth, Mars, Venus, Saturn, Jupiter, Neptune, Uranus Mercury, Venus, Mars, Earth, Jupiter, Uranus, Saturn, Neptune Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
I gave my students this multiple choice question: Which is the correct order of the planets from the Sun?

Only one answer is correct among these 4 choices:
- Mercury, Venus, Earth, Saturn, Uranus, Jupiter, Mars, Neptune
- Mercury, Earth, Mars, Venus, Saturn, Jupiter, Neptune, Uranus
- Mercury, Venus, Mars, Earth, Jupiter, Uranus, Saturn, Neptune
- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Could you tell me which one is correct?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune