GK – Oneliner 193

Nasiruddin Tusi was the famous astronomer of Iran whom George Sarton attributes 64 scientific books and he also worked as scientific advisor to Halaku Khan. Estimated age of the Universe is…

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GK – Oneliner 192

The planet with the shortest rotation time around its axis is Jupiter. The planet with the longest rotation time around its axis is Venus. Curiosity is the name of space shuttle…

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GK – Oneliner 191

Hydrogen is the most abundant element in the universe. The earth’s rotation on its axis is from West to East. The job of the sophisticated unmanned US spacecraft Voyager was to…

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GK – Oneliner 190

Sputnik II, first artificial satellite, was launched 3 November, 1957. The first Western Scientist to suggest that the Earth revolved around the Sun was Copernicus. Skylab was space laboratory launched in…

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GK – Oneliner 189

America launched its first space station in 1973. Six of the eight planets of the solar system were known in the life time of Kepler, the formulator of laws of planetary…

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GK – Oneliner 188

Super Nova means a dying star. Asteroids or planetoids circle between Mars and Jupiter. The earth revolves around the sun at a speed of 29 km/sec. Eratosthenes was the first to…

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GK – Oneliner 187

The Milky Way extends through a distance of 105 light years. Venus has almost the same mass, size and density as the earth. The biggest star in our galaxy in Proxima…

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GK – Oneliner 186

The outermost layer of Sun is Corona. The altitudes of heavenly bodies appear to be greater than they actually are. This is due to Atmospheric refraction. A star which appears blue…

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GK – Oneliner 185

Occurrence of ozone is most relevant for the presence of life on Mars. The mean distance from the earth to the Sun is 149200000 km. Earth has the largest amount of…

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GK – Oneliner 184

Uranus orbits around the sun in a clockwise direction from east to west. Mercury and Venus lies between the sun and the earth. Saturn is 9.5 times bigger than the earth.…

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