CURRENT AFFAIRS

Detailed explanation-1: -Ōsumi (or Ohsumi, ) was the first Japanese satellite put into orbit.

Detailed explanation-2: -“OHSUMI” is Japan’s first satellite.

Detailed explanation-3: -Nine H-I rockets were manufactured, all of which have been successfully launched. This was the first time Japan had successfully launched multiple satellites simultaneously. Japan did not develop the technology for crewed space flight.

Detailed explanation-4: -JAXA uses the H-IIA (H “two” A) rocket from the former NASDA body and its variant H-IIB to launch engineering test satellites, weather satellites, etc. For science missions like X-ray astronomy, JAXA uses the Epsilon rocket.