1.
The sixth planet from the sun, it is known most for its rings.
2.
It is the Red Planet, as seen from the Hubble Space Telescope.
3.
It is the closest planet to the sun, and it's also the smallest, only a little
bit larger than Earth's moon.
4.
The third planet from the sun, it is a water world, with two-thirds
of the planet covered by ocean.
5.
The fifth planet from the sun, it is a giant gas world.
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