Q. Which of the following country launched the “PICARD Mission” to monitor the solar diameter, the differential rotation, the solar constant, and to study the long-term nature of their interrelations?

[A] United States of America

[B] France

[C] Italy

[D] United Kingdom

Answer: B
Notes:

Picard is a CNES solar-terrestrial microsatellite mission of the Myriade series with French multi-institutional and international cooperation.  

  • The overall objective is to monitor the solar diameter, the differential rotation, the solar constant (simultaneous measurement of the absolute total and spectral solar irradiance), and to study the long-term nature of their interrelations.  

Source: ForumIAS factly