Why NASA chose Senegal to observe a frozen world

CNN.com Africa News
@CNNAfricaNews
5 years ago

On a night in August, an object called 2014 MU69 passed in front of a star and blocked its light. This phenomenon, called a stellar occultation, lasted just a second and was visible only in certain regions in Africa (more exactly in Senegal, Mali and Algeria) and in South America in Colombia.