From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...
The planet HD 189733 b was discovered in 2005, as one of many huge gas worlds snuggled tightly against their suns. It gradually gained popularity for .
It looks like a sapphire jewel in space, but HD 189733bis anything but serene. With winds reaching seven times the speed of ...