Which country has successfully launched the ASTRO-H space observation satellite?
Which country has successfully launched the ASTRO-H space observation satellite?
[A]United States
[B]China
[C]France
[D]Japan
Japan
Japan has successfully launched the ASTRO-H X-ray astronomy satellite via its H-IIA rocket to study black holes. ASTRO-H is a high-energy astronomy mission led by the Japan Aerospace Exploration Agency (JAXA). The satellite is 14 meters long and weighs 2.7 tons, and is equipped with four X-ray telescopes and two gamma-ray detectors.
