Complex sentence: The "skeeter" was developed to provide rocket borne measurements of the mesospheric region of the upper atmosphere An are of great science interest is in the 82-95 km region where the conventional understanding of atmospherics physics is being challenged.
Split into simpler sentences: The "skeeter" was developed to provide rocket borne measurements of the mesospheric region of the upper atmosphere. An area of great science interest is in the 82-95 km region where the conventional understanding of atmospherics physics is being challenged.