What Is the Smallest Planet?


The smallest planet orbiting the sun is Mercury, while the largest is Jupiter. Mercury is also the closest to the sun and measures 4879 km along its equator. Initially, Pluto was considered the smallest planet, but it has since been struck off the list of planets.
Q&A Related to "What Is the Smallest Planet"
Largest. Jupiter. Smallest. Mercury.
Neptune, it is a twin planet of Uranus and is only slightly smaller than Uranus
Pluto is by far the smallest planet (if you consider it a planet)
the smallest planet in my opinion is mars.
3 Additional Answers
Ask.com Answer for: what is the smallest planet
Mercury is the smallest planet in the Solar System. It has a diameter of 4879 kilometers.
Other Planets:
The smallest planet in the Solar System is Mercury. For the longest time, the smallest planet was considered to be Pluto, but now Pluto isn't a planet any more, so we're back to Mercury.
Pluto used to be the smallest planet, but now it is considered a dwarf planet. Now the smallest planet in the solar system is Mercury, followed by Mars. You can find more information here: http://www.universetoday.com/guide-to-space/mercury/size-of-mercury/
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