... Young Moon and Sister Stars . ... A young crescent Moon shared the western sky with thin clouds and the sister stars of the Pleiades cluster in this early evening skyscape recorded on April 19th. ... One of the brightest galaxies in planet Earth's sky and similar in size to the Milky Way, big, beautiful spiral M81 lies 11.8 million light-years away in the northern constellation Ursa Major. ... Carina Nebula Panorama from Hubble . ... The Sun in Three Dimensions . ... Pantheon Earth and Moon . ...