Yes, it was the smallest of the nine planets until reclassified as a dwarf planet in 2006. Now it is the second largest of the five dwarf planets, while Mercury is now the smallest of the eight major planets.
yes
Mercury is the smallest planet except for pluto. It has a radius of 2439km.
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.
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.
Pluto
Mercury
Mars is not the smallest planet because Pluto is. Though, scientists now say that Pluto is no longer a true planet. That makes Mercury the smallest planet in our Solar System.
Pluto is a dwarf planet, so if you include Pluto, Mercury is the second smallest. if you don't, Mars is the second smallest