Please answer the following question: Goodsell Observatory - Goodsell Observatory is a building on the campus of Carleton College in Northfield Minnesota. It was constructed in 1887 and was at the time the largest observatory in the state of Minnesota. It was named for Charles Goodsell who donated much of the land on which Carleton was founded. Goodsell was built to replace Carleton's original observatory (built in 1877) which was razed in 1905 to make room for Laird Hall. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building