The Copernicus project under which wind-sensing satellite “Aeolus” launched, is a joint venture of:

by

A. ISRO and JAXA
B. NASA and ISRO
C. European Union and European Space Agency 
D. None of these

🧠 Explanation:

The Copernicus project is an Earth observation program, and the Aeolus satellite measures wind patterns globally. It is jointly managed by the European Union (EU) and European Space Agency (ESA). “Joint venture” indicates collaboration between organizations. Alternatives include “EU-ESA satellite mission.” Hence, the correct answer is European Union and European Space Agency.