... 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. This month, Venus appears in early evening near the red planet Mars and Mars' red giant rival Antares above the southwestern horizon. ... This new brightest star is so far away and so obscured by dust, however, that it took the Hubble Space Telescope to confirm it. ...