A star gazer waves to the sky in which Venus and Jupiter, two of the brightest naked-eye planets, join a thin crescent moon (bottom) to create a brief "happy face" in Liuzhou, southwest China's Guangxi Zhuang autonomous Region December 1, 2008. Astronomers and star gazers across the world are keeping watch on Monday night for the rare astronomical phenomenon known as "Planetary Conjunction". [Xinhua]