Mercury is the smallest planet in our solar system after Pluto.
Pluto is declared as dwarf planet. So, mercury is the smallest planet now.
Pluto is the smallest and the coldest planet in the whole Solar System.
Pluto is no longer considered a planet. However, before its demotion, it was listed as the smallest planet.
No, it is the smallest planet in the solar system.
Pluto is the smallest planet in our solar system, but it was reclassified as a dwarf planet by the International Astronomical Union in 2006.
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).
Pluto used to be the smallest planet, but it was deemed to not be a planet. The smallest planet now is Mercury within our Solar System
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.
Since Pluto is no longer considered a planet, mercury has become the smallest planet.
Pluto is no longer considered a planet by the International Astronomical Union; it is classified as a dwarf planet. Among the eight recognized planets in our solar system, Mercury is actually the smallest.
Pluto is no longer considered a planet, it is now classified as a "Dwarf Planet". As a planet or a dwarf planet, Pluto was the smallest in our solar system. Mercury is now the smallest recognised planet. Pluto's equatorial diameter is 2,274 km. Mercury's equatorial diameter is 4,880 km.