... In Chandor Chasma on Mars . ... Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, the glowing Orion Nebula and the dark Horsehead Nebula are contrasting cosmic vistas. They both appear in this stunning composite color photograph along with other nebulosities as part of the giant Orion Molecular Cloud complex, itself hundreds of light-years across. Cosmic Ripples Implicate Dark Universe . ... The Very Large Array of Radio Telescopes . ...