Seven-planet extrasolar system discovered – an annotated infographic
We are not alone. Possibly.
Astronomers have discovered seven Earth-sized planets orbiting a star just 40 light-years away. At least three of them could harbour oceans of water, increasing the possibility they could host life.
This system has the largest number of Earth-sized planets yet found, making it a key object for future study.
Click on the graphic for an expanded view.