It’s reasonable and makes sense, but it’s wrong
Our astronomer describes how an assumption widely made in his science in past years turned out to be completely erroneous.
Our astronomer steps out of his area of expertise to comment on biology.
One of the advantages of living in the Washington, DC area is the wealth of cultural opportunities. Expositions of science, history and the arts are going on all the time. Our astronomer attended one of these recently, telling the story of how multicolor imaging allowed scholars to read a text that had been erased centuries ago.