... Mars: A Mist In Mariner Valley . ... An icy mist and late afternoon clouds cover much of this section of Valles Marineris on Mars. ... Cassini To Venus . ... Cold Wind From The Boomerang Nebula . ... A cold wind blows from the central star of the Boomerang Nebula. ... Besides the sun and moon, Venus is the brightest object visible in Earth's sky. ... The above true color image taken in August by Mars Pathfinder shows clouds of ice high in the Martian atmosphere. ... Floating Free in Space . ...