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.
원문출처 : https://www.cnn.com/2018/11/29/africa/nasa-observation-of-ultima-thule-senegal-intl/index.html
원문출처 : https://www.cnn.com/2018/11/29/africa/nasa-observation-of-ultima-thule-senegal-intl/index.html