Virtual Solar Terrestrial Observatory Ontology

The Virtual Solar Terrestrial Observatory (VSTO) is a unified semantic environment serving data from diverse data archives in the fields of solar, solar-terrestrial, and space physics (SSTSP).
The VSTO portal ( uses the underlying VSTO ontology (i.e. an organized knowledge base of the SSTSP domain) to present a general interface that allows selection and retrieval of products (ascii and binary data files, images, plots) from heterogenous external data services.

space physics
Point(s) of Contact: 
General Ontology