Who was the American astronaut who returned to Earth after spending 340 days in International Space Station?
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Boiling point of water is ___.
In which year did Ole Romer measure the speed of light for the first time in the history?
The planet Mars is also known as the ____.
All of the following are true about ecosystems except
The huge storm known as Great red spot is associated with which planet?
The first flight of SARAS PT1N, the new upgraded version of indigenous developed transport aircraft SARAS, took off from ______.
Fastest Indian supercomputer recently developed by ISRO