... Billions of years from now, only one of these two galaxies will remain. ... Apogee Full Moon . ... M83 Star Streams . ... Big, bright, and beautiful, spiral galaxy M83 lies a mere twelve million light-years away, near the southeastern tip of the very long constellation Hydra. ... Few cosmic vistas excite the imagination like the Orion Nebula, an immense stellar nursery some 1,500 light-years away. ... A mere seven hundred light years from Earth, in the constellation Aquarius, a sun-like star is...