There have been many changes to what we thought Ultima Thule looked or was like, and here, the writer at Gereshes explains how scientists were able to reach a conclusion on the features of Ultima Thule.
It includes some interesting illustrations on the methodology of how they conceptualized and constructed Ultima Thule based on data, and how those changed as new data from New Horizons came in.
(Image credit: NASA/Johns Hopkins Applied Physics Laboratory/Southwest Research Institute, National Optical Astronomy Observatory/Wikimedia Commons)
Source: neatorama