http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/5021.htm 2008-07-06 The smallest planet in the Solar System has become even smaller, studies by the Messenger spacecraft have shown. Data from a flyby of Mercury in January 2008 show the planet has contracted by more than one mile (1.5km) in diameter over its history.