Instead of looking for a specified value on their board, students will be questioned on astronomical topics.

On his return to the United States, he became a lecturer on astronomical topics at Haverford College.

The discussion is not narrowly limited to astronomical topics, but ranges over much of contemporary science.

At both locations, the telescopes and other equipment are used for hands-on learning and research on a variety of astronomical topics.

The Project also produced a number of cookbooks on various astronomical topics.

The society meets monthly to discuss general astronomical topics and receive presentations of astronomical interest.

It hosts regular public shows on astronomical topics as well as a variety of other events.

This journal tends to focus its publishing efforts on original research regarding astronomical topics.

The programme covers a wide range of general astronomical and space-related topics.

Tours of the Mini-Zoo are presented daily along with planetarium shows, which feature new astronomical topics every two months.