What is the biggest planet?
The biggest planet in our solar system is Jupiter. Jupiter is the fifth planet from the sun and the largest in the solar system.
Astronomers say they have discovered what appears to be an entirely new
kind of planet, an extra-large gas giant unlike any known world in our
solar system or beyond. The planet, dubbed HAT-P-1, is located some 450 light-years from Earth in the constellation Lacerta.
It is the largest planet ever discovered and boasts a radius nearly 1.4 times larger than Jupiter's.
HAT-P-1 is also the least dense of all known planets.
May 23, 2011 |
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