Astronomy Picture of the Day . A Lonely Neutron Star . ... Over the years astronomers have watched (at a safe distance ...) as, 6,000 light years from Earth in the southern constellation Pyxis, a binary star known as T Pyxidis repeatedly produces these fearsome explosions. Moon Occults Saturn . ... Looking Down on Saturn . ... Since Earth is much closer to the Sun than Saturn, only the day side of the planet is visible from the Earth. ... Globular Cluster 47 Tucanae . ...