Mercury is the smallest of the 8 "major planets" with about 5.5% of the mass of Earth. It is smaller but more massive than the largest moons of Jupiter and Saturn.
Pluto is now considered a "dwarf planet" along with the asteroid Ceres and three other very distant Kuiper Belt objects.
The smallest planet is Mercury because Pluto is not considered a planet. Pluto is now called a dwarf planet.
Mercury is the smallest planet except for pluto. It has a radius of 2439km.
the smallest planet would be Pluto but since scientists say its not it would be MERCURY.
Pluto is the smallest and the coldest planet in the whole Solar System.
Pluto
Pluto is not larger than any planet it is the smallest planet that why it is call a dwarf planet.
Since Pluto is no longer considered a planet, mercury has become the smallest planet.
Mercury was listed as the second smallest planet. Since Pluto lost its status as a planet Mercury is now the smallest planet.
Mercury is the smallest planet except for pluto. It has a radius of 2439km.
plutoAnswer: Since Pluto is no longer considered a planet, Mercury is the smallest in out solar system. (I've added the link for a Pluto t-shirt.)
no Pluto is the smallest planet in the worl and Pluto is also the outer planet
Pluto was the smallest but is no longer classed as a planet, it is now a dwarf planet, so going by that, Mercury is now the smallest, followed by Mars, so it would be Mars.
Pluto is declared as dwarf planet. So, mercury is the smallest planet now.
the smallest planet would be Pluto but since scientists say its not it would be MERCURY.
Pluto is no longer considered a planet. However, before its demotion, it was listed as the smallest planet.
If you count Pluto, the answer is PLUTO.
Pluto is the smallest and the coldest planet in the whole Solar System.
The moon itself is not considered a planet. It is Earth's only moon. Since Pluto is not considered a planet (as of 2006), the smallest planet in our solar system is Mercury.