RT @esascience: Lucky Sun watcher! RT @esa: Our #Proba2 mini-satellite saw the #solareclipse not once but twice! youtu.be/YXH8aFGPuz8
RT @esascience: Lucky Sun watcher! RT @esa: Our #Proba2 mini-satellite saw the #solareclipse not once but twice! youtu.be/YXH8aFGPuz8