China on 16 June 2012 launched its spacecraft Shenzhou-9 from the Jiuquan satellite launch centre in north-western Gansu province. Which of the following facts related to Shenzhou-9 is not true?

i) Shenzhou-9 is China’s fourth human spaceflight

ii) Shenzhou -9 spacecraft will conduct the first manned docking mission

iii) Shenzhou-9 space mission comprise three astronauts including China’s first woman astronaut Liu Yang

iv) Shenzhou-9 is China’s first manned space programme

Choose the right option:

NASA on 13 May 2012 launched Nuclear Spectroscopic Telescope Array (NuSTAR) on a Pegasus rocket from Kwajalein Atoll in the Marshall Islands. Consider the following given facts related to NuSTAR and chose the right option?

i) NuSTAR will help scientists find the most subtle and energetic black holes.

ii) NuSTAR will work in coordination with other telescopes in space, including NASA’s Chandra X-ray Observatory,       which observes lower-energy X-rays

Choose the right option: 

Who among the following invented the decimal system?

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