What is the biggest planet in the Milky Way galaxy? NEED HELP NOW!!!
The biggest known planet in our galaxy is MOA-2011-BLG-322, it is roughly 8 times the size of Jupiter, the biggest planet in our solar system.
Jupiter's radius is 43,441 mi long, which means that MOA-2011-BLG-322's radius is roughly 347,528 mi. long.
Hope I helped, Good day!