But unlike Jupiter which is deathly cold, HD 189733 b sits closer to its own version of the sun, earning it the common astro-nickname of "hot Jupiter". Even on its dark side, HD 189733 b reaches ...

HD 189733b, discovered in 2005, is located 64 light-years away in the constellation Vulpecula. This exoplanet, which exists outside our solar system, is about 10 percent larger than Jupiter in ...

In our solar system, Jupiter is the biggest planet at 88,846 miles in equatorial diameter — the distance through the planet from one side to the other at its equator — and a mass of 1,898 × ...