Esocast 6: Lightest Exoplanet Found
مرة 868 شوهد
وصف الفيديو:
Well-known exoplanet researcher Michel Mayor announced on 21 April 2009 the discovery of the lightest exoplanet found so far. The planet, “e”, in the famous system Gliese 581, is only about twice the mass of our Earth.
تمت الإضافة
30 مارس 2017
التعليقات
