Comet ISON could well be the brightest and most spectacular comet for a generation. It should appear above the eastern horizon from December 2013 as a glorious streak across the sky. ISON has been travelling towards the sun for ten thousand years and will make only one orbit through its corona before disappearing off into the outer solar system.
But as well as providing a great...
9.0皮耶尔弗兰切斯科·法维诺,芭芭拉·朗奇,马尔科·潘克拉齐,弗朗西斯科·科勒拉,安东尼奥·杰拉尔迪,埃莉奥诺拉·德卢卡,Francesco Gheghi,Mario Pupella,Mattia Garaci,Simone Chiacchiararelli,Anna Maria De Luca,Lea Favino