temmondai
1. astronomical observatory
★ Common
Noun
#28178
1. astronomical observatory
1. At the observatory; Observatory-based
1. Observatory's; Of the observatory
1. Observatory.
1. It was an observatory.
1. If/when the observatory…; At the observatory…
1. Observatory was.
1. if the observatory; when the observatory
1. It is not an observatory.; I am not an observatory.
1. Probably an observatory.