The largest planet in the solar system is Jupiter. Jupiter is a gas giant planet, meaning it is primarily composed of hydrogen and helium gas. It is the fifth planet from the sun and is located between the orbits of Mars and Saturn.

Size and Mass:
Jupiter is massive, with a diameter of 86,881 miles (139,822 kilometers) and a mass of 1.898 x 10^27 kg. This makes it more than twice as massive as all the other planets in the solar system combined.

Atmosphere:
Jupiter's atmosphere is made up of hydrogen, helium, and trace amounts of other gases such as methane, ammonia, and water vapor. It is well known for its Great Red Spot, a massive storm that has been raging for over 300 years.

Magnetic Field:
Jupiter has a strong magnetic field, which is about 20,000 times stronger than Earth's. This magnetic field traps charged particles from the sun, creating intense radiation belts around the planet.

Moons:
Jupiter has 79 known moons, the largest of which is Ganymede (larger than the planet Mercury). The four largest moons (Io, Europa, Ganymede, and Callisto) are known as the Galilean moons, named after the astronomer Galileo Galilei who first observed them.

Exploration:
Jupiter has been studied by a number of spacecraft, including the Pioneer, Voyager, Galileo, and Juno missions. The Galileo spacecraft spent eight years orbiting Jupiter and its moons, studying the planet's atmosphere, magnetic field, and moons. The Juno spacecraft, which arrived at Jupiter in 2016, is currently in orbit and is studying the planet's atmosphere, magnetic field, and interior structure.

In conclusion, Jupiter is the largest planet in the solar system, with a massive size and mass. It is known for its colorful atmosphere, strong magnetic field, and numerous moons. The study of Jupiter and its moons has provided valuable insights into the formation and evolution of the solar system.

The largest planet of solar system is Jupiter Jupiter is the largest planet in the solar system. Fittingly, it was named after the king of the gods in Roman mythology. In a similar manner, the ancient Greeks named the planet after Zeus, the king of the Greek pantheon.

Jupiter helped revolutionize the way we saw the universe and ourselves in 1610, when Galileo discovered Jupiter's four large moons — Io, Europa, Ganymede and Callisto, now known as the Galilean moons. This was the first time that celestial bodies were seen circling an object other than Earth, and gave major support to the Copernican view that Earth was not the center of the universe.

Physical characteristics

Jupiter is more than twice as massive as all the other planets combined. If the enormous planet was about 80 times more massive, it would have actually become a star instead of a planet. Jupiter's immense volume could hold more than 1,300 Earths. That means that if Jupiter were the size of a basketball, Earth would be the size of a grape.