They represent schools, colleges and universities, museums, and public facilities of all sizes, including both fixed and portable planetariums.
The primary goal of the IPS is to encourage the sharing of ideas among its members through conferences, publications, and networking.
Although planetariums can be part of school district curriculum, either at an in-district dome or through field trips, they also serve as sites and sources of life-long learning and Science, Technology, Engineering, and Mathematics (STEM) education.
Another meeting was sponsored by the NSF in 1960, this time in Cleveland, Ohio, and resulted in Planetariums and Their Uses for Education, Volume 2.
At this meeting the decision was made to organize a North American planetarium association and publish a journal.
The planetarium field's earliest members were those who invented and modified the equipment used to project the stars onto the dome.
To be named, a member must have continuous active membership in good standing in IPS for at least five years and substantial contributions in at least two of the following respects: Planetarium