... Cold Wind From The Boomerang Nebula . ... A cold wind blows from the central star of the Boomerang Nebula. ... Venus On The Horizon . ... Besides the sun and moon, Venus is the brightest object visible in Earth's sky. This month, Venus appears in early evening near the red planet Mars and Mars' red giant rival Antares above the southwestern horizon. ... The above true color image taken in August by Mars Pathfinder shows clouds of ice high in the Martian atmosphere. ... Floating Free in Space . ...