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...展开
斯特凡诺·阿科尔西 杰丝敏·特丽卡 爱德华多·莱奥 芭芭拉·阿尔贝蒂 菲利波·尼格鲁 洛雷达纳·卡纳塔 马提奥·马塔瑞 卡迈因·雷卡诺 塞拉·耶尔马兹 Sara Ciocca Edoardo Brandi Pia Lanciotti Cristina Bugatty Dora Romano Barbara Chichiarelli Andrea Batti Annalisa Cardone Sara Franchetti Edoardo Purgatori