No, it's the second smallest. Venus is the 3rd smallest. The information that Mars is the third smallest may have come from an out of date source that included Pluto as a planet.
Neptune is the 5th smallest planer of the Solar System.
No. It is the smallest of all.
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.
None of the above. Earth is the 4th smallest planet.
largest
Mercury is the smallest planet and Mars is the next after that. It's the 2nd smallest planet. There are 8 planets. So, Mars is also the 7th largest planet in the solar system.
Pluto is now considered to be a dwarf planet; prior to it's demotion, it was the smallest planet within our solar system.
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.
Jupiter is the largest planet in our solar system.
Satun is the 2nd largest planet
Uranus is the third largest planet in our Solar System, with a diameter of 51,118 km. The largest and second largest planets are Jupiter and Saturn, respectively. The smallest planet is Mercury.