[amp_mcq option1=”Vostok \u00e2\u0080\u0094 I” option2=”Sputnik \u00e2\u0080\u0094 I” option3=”Pioneer \u00e2\u0080\u0094 I” option4=”Suyaz \u00e2\u0080\u0094 I ” correct=”option2″]<\/p>\n
The correct answer is (b), Sputnik 1.<\/p>\n
Sputnik 1 was the first artificial satellite to orbit the Earth. It was launched by the Soviet Union on October 4, 1957, and it became a symbol of the Space Race between the United States and the Soviet Union.<\/p>\n
Sputnik 1 was a small, spherical satellite that weighed about 83 kilograms. It was made of aluminum and had four external antennas. The satellite’s mission was to test the feasibility of placing a satellite in orbit and to study the upper atmosphere.<\/p>\n
Sputnik 1 orbited the Earth for 92 days before it re-entered the atmosphere and burned up. It was a major achievement for the Soviet Union and it showed the world that the Soviets were capable of advanced space technology.<\/p>\n
The other options are incorrect.<\/p>\n
(a) Vostok 1 was the first human spaceflight, which was launched by the Soviet Union on April 12, 1961.<\/p>\n
(c) Pioneer 1 was the first American spacecraft to reach the orbit of the Sun. It was launched on October 11, 1958.<\/p>\n
(d) Soyuz 1 was the first Soviet spacecraft to dock with another spacecraft, which was launched on March 23, 1969.<\/p>\n","protected":false},"excerpt":{"rendered":"
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