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Mars is the second smallest planet, Mercury is the smallest.

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13y ago

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What planet is the 2nd smallest planet in the solar system?

Mars is the second smallest after Mercury.


How big is Mercury is it the 2nd biggest planet?

No. With a mean radius of 2440 kilometers, Mercury is a the smallest planet in the solar system.


Which is smallest planet?

Mercury is the smallest of the eight planets.


Is Mars the largest the 2nd largest 3rd largest or smallest?

Mars is the second smallest with a diameter of 6792km (this is assuming that the dwarf planet Pluto, which has a diameter of 2390km, is not considered; if it is considered, then Mars would be the third smallest). Mercury is the smallest, with a diameter of 4879km.


What is the second to smallest planet in your solar system?

Earlier, Pluto was the smallest planet and Mercury was next.Now, Mercury is the smallest planet and hence, Mars is the second smallest.Now that Pluto has been reclassified as a dwarf planet, the second smallest is Mars. Before Pluto was reclassified as a dwarf planet, Mercury was the second smallest planet.The second smallest planet in the solar system is Mars with a diameter of 4,221.6 miles.Mars is the 2nd smallest planet, Mercury is the smallest.Mercury


Which planet is the smallest after Pluto?

Mercury is the smallest planet in our solar system after Pluto.


What is the smallest planet by volume?

The smallest planet by volume in our solar system is Mercury.


What is the smallest planet closest to earth?

Mercury is the smallest planet closest to the earth.


Which planet is the smallest?

The smallest planet is MercuryMercury


What planet used to be the second smallest planet?

Mercury was listed as the second smallest planet. Since Pluto lost its status as a planet Mercury is now the smallest planet.


Which one is the smallest planet?

Pluto used to be the smallest planet, but it's not a planet any more! That makes Mercury the smallest planet in our Solar System. The second smallest planet in the Solar System is now Mars, measuring 6792 km across.


Is Mars the smallest planet in the solar system?

Neither - Mercury is the smallest planet in our Solar System at 0.055 Earth masses and Jupiter is the largest planet in our Solar System at 318 Earth masses (e.g. which is 2.5 times the mass of all the other planets put together).