The smallest moons are probably smaller than 1 kilometer in diameter. Possibilities include tiny moons that orbit the gas giants and/or the ice giants due to the fact that they have many moons and are less explored.
Smallest or largest, there is only one star in our Solar System - The Sun.
Mercury is the smallest of the eight planets in our solar system, with a diameter of 4880km.
The moon has a name. It is Luna, from the Latin for moon.
Mars is the fourth planet from the Sun and the second smallest planet in our solar system. Mercury is the smallest and innermost planet in our solar system, orbiting closest to the Sun.
Jupiter is the largest planet and the smallest is pluto .
Solar means space and the Solar System is a system (with the moon, sun, planets, stars, etc.) so the Solar System is really a Space System.
callisto
The largest moon in the solar system is Ganymede, a moon of Jupiter. The moon is larger by volume than the planet Mercury but is only half as massive.
Neptune's moon Triton has the lowest recorded temperature of any moon.
Titania (Not to be confused with Titan a moon of Saturn or Triton Neptune's moon) is the largest moon of Uranus. It's the eighth largest moon in the Solar System with a diameter of 1,578 km.It was discovered in 1787 by William Herschel on the same day he discovered Oberon another moon of Uranus.See link for more information.
There is only one Solar system and we are part of it. The name comes from an old word, "Sol", which is the name of our sun, just as 'Luna' is the name of our moon, and 'Terra' is the name of our planet.
The Earth's moon, whose name is Luna, is indeed the closest of the solar system moons to the Sun.