What’s the biggest planet known

The largest planet in our solar system is Jupiter. It is more than 11 times the diameter of Earth and has more than twice the mass of all the other planets combined.

The biggest planet known is Jupiter.

The biggest planet known in our solar system is Jupiter. It has a diameter of about 86,881 miles (139,820 kilometers), which is more than 11 times the diameter of Earth. Jupiter is a gas giant, composed mostly of hydrogen and helium, and it is the fifth planet from the sun. To find the answer to this question, you can refer to reliable sources such as astronomy books, encyclopedias, or scientific websites dedicated to space exploration. These sources will provide detailed information about different planets in our solar system, including their sizes.