GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Space exploration has advanced our knowledge of the universe. Which space journey would take the longest?
A
a journey from the Earth to the sun
B
a journey from the Earth to the moon
C
a journey from the Earth to a star in the constellation Centaurus
D
a journey from the Earth to the farthest planet in our solar system, Neptune
Explanation: 

Detailed explanation-1: -a journey from Earth to the farthest planet in our solar system, Neptune. The correct answer is H. The farthest destination is the constellation Centaurus, which is 4.3 light-years away from the Earth.

Detailed explanation-2: -Examples of such efforts include the development of the Curiosity Mars rover, the Cassini-Huygens mission to Saturn and its moons, and the development of major space-based astronomical observatories such as the Hubble Space Telescope.

Detailed explanation-3: -The direct benefits of exploration include the generation of scientific knowledge, the diffusion of innovation and creation of markets, the inspiration of people around the world, and agreements forged between the countries engaged in exploration.

Detailed explanation-4: -We human beings have been venturing into space since October 4, 1957, when the Union of Soviet Socialist Republics (U.S.S.R.) launched Sputnik, the first artificial satellite to orbit Earth. This happened during the period of political hostility between the Soviet Union and the United States known as the Cold War.

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