Current Affairs - Science - Discussion

ISRO will launch a student satellite called 'Kalamsat' and an imaging satellite known as 'Microsat-R' on 24 January 2019. Both the satellite will be carried by 'PSLV C-44' rocket. PSLV is a four-stage launch vehicle. In PSLV-C44, the fourth stage (PS4) of the vehicle would be moved to a ?higher circular orbit so as to establish an orbital platform for carrying out experiments.