Saturn.
Jupiter is the largest planet and the smallest is pluto .
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.
Your question could mean there is a name "4TH planet" and asking about what it is. If you mean "what is the planet which is the fourth one away from the Sun ?" your answer would be Mars.
The fifth planet in our Solar System is Jupiter The fifth largest planet in our Solar Syster is Earth
There are eight planets in the solar system, but the planet closest to the sun is Mercury.
Jupiter is the largest planet and the smallest is pluto .
Saturn
Saturn!!!!!!!!!!!!
It is Saturn.
The largest planet in our solar system is Jupiter.
The largest unknown planet in our solar system is currently referred to as Planet Nine or Planet X. It is thought to be a large planet located beyond Pluto's orbit, but it has not been directly observed yet.
because the planet jupiter is the biggest planet in our solar system and the word jupiter means supreme god
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.
The name of the planets are:MercuryVenusEarthMarsJupiterSaturnUranusNeptuneThey constitute the solar system.
Saturn is the planet in our solar system with a name beginning with the letter "S".
Jupiter got its name from the link of the Roman Gods, Jupiter, and Jupiter is the biggest planet in the Solar System
Jupiter