Astronomical Consultants & Equipment, Inc. (ACE) designs and manufactures research grade telescopes in ... and the retrofitting of quality astronomical telescopes with a modern computer control system ...

To promote an appreciation for the art and science of amateur astronomy among the general public,” is the vision statement for The Greater Hazleton Area Astronomical Society (GHAAS) ...

It is a special topic site museum of nature science displaying Chinese ancient astronomical equipment and astronomy. Now, it has been reformed to Beijing Ancient Astronomical Equipment Exhibition ...