It's hard to give a definitive answer since scientist are constantly finding new exoplanets, but from my understanding the biggest or largest planet outside of our own solar system is approximately 1.7 times the size of Jupiter and is called TrES-4.
The biggest planet in our Solar System is Jupiter.
The biggest planet in our solar system is Jupiter 2nd biggest is Saturn
Jupiter is the largest planet in our solar system.
No, Jupiter is the biggest planet in the solar system.
It is the biggest planet in our solar system, but there are larger planets around other stars far away.
The biggest planet in the solar system is Jupiter smallest Pluto!!!!
Jupiter is the biggest planet in our solar system.
No. Even in our own solar system it is 2nd smallest planet. The biggest planet in the solar system is Jupiter.
The biggest planet in our solar system is Jupiter.
Jupiter is the biggest planet in our solar system.
Jupiter is the biggest planet. The sun is not a planet.
Jupiter, Saturn, Uranus and Neptune, in this solar system. No doubt there are millions more in other solar systems.