"With a large enough sample from your classifications, we can pick out black holes at different stages and build a better picture of their origins." - Radio Galaxy Zoo
Perturbations in the orbit of Uranus let astronomers discover the planet Neptune in 1846. Now this same technique has been used to find a planet 1,000 light-years away.
The lander is named for the moon goddess of Chinese mythology. Its successful landing on Saturday made China the third nation ever to land on the moon.
If these plumes vent from Europa's subsurface water ocean, future scientists won't need to drill into Europa's icy crust to investigate the potential for life in that alien sea.