Solar System Quiz Questions and Answers : Science Quizzes

Space Science Quiz
1. The Sun shines vertically on the Equator–
(A) Throughout the year (B) Four times a year
(C) Twice a year (D) Once a year
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2. The three planets nearest to the Sun in the correct order are–
(A) Mercury, Earth, Mars (B) Mercury, Venus, Jupiter
(C) Mercury, Venus, Earth (D) Mercury, Venus, Mars
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3. The maximum possible angle between the direction of Sun and that of a planet (as viewed from the Earth) is called–
(A) Maximum angular separation (B) Elliptical path
(C) Conical movement (D) None of the above
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4. A light year, as a unit of measurement of distances of heavenly bodies, is equal to–
(A) 6 million, million km (B) 7.5 million, million km
(C) 9.5 million, million km (D) 11.5 million, million km (speed of light is equal to 3,00,000 km/per sec)
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5. The Great Galaxy in Andromeda, which is the most remote heavenly body that can be seen with the naked eye, is at about how many light years’ distance from the Earth ?
(A) 0.2 million light years (B) 0.5 million light years
(C) 1.0 million light years (D) 2.2 million light years
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6. The path in which planets orbit around the Sun is called–
(A) Ellipse (B) Circle
(C) Parabola (D) Hyperbola
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7. The Earth is believed to have condensed out of interstellar gas and dust for about how many years ago?
(A) 3.5 million (B) 4.6 million
(C) 5.7 billion (D) 6.8 billion
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8. How many days does the Moon take to return to the same position among the constellations ?
(A) 28 days (B) 29 days
(C) 26 days (D) None of these
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9. Which of the following planets takes the least time to complete one revolution around the Sun?
(A) Earth (B) Mercury
(C) Mars(D) Venus
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10. Which planet has the maximum number (63) of natural moons?
(A) Jupiter (B) Mars
(C) Earth (D) Saturn
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11. What name is given to the path of the Sun amongst the stars in our galaxy?
(A) Celestial sphere (B) Ecliptic
(C) Elliptical path (D) Zodiacal signs
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12. The visible part of the Sun is called–
(A) Ionosphere (B) Hydrosphere
(C) Photosphere (D) Troposphere
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13. The radius of which of the following is 7 × 105 kilo metres ?
(A) Jupiter (B) Saturn
(C) Uranus(D) Sun
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14. When and by whom were the rings of Saturn discovered?
(A) Galileo; 1610 (B) Edmund Halley; 1682
(C) Newton; 1682 (D) Tycho Brahe; 1590
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15. In the sixteenth century, the king of Denmark built for the use of a famous scientist the finest observatory in the world on an island near Copenhagen and called it the City of the Heavens. Who was this scientist?
(A) Nicolas Copernicus (B) Tycho Brahe
(C) Isaac Newton (D) Galileo Galilei
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16. Why does the Moon always keep roughly the same face turned towards us?
(A) Because it has no atmosphere of its own
(B) Because it rotates on its axis in about the same time as it takes to go round the Earth
(C) Because it does not rotate on its own axis
(D) Because its surface is covered with enormous plains which look identical
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17. The Earth revolves around the Sun at a speed of–
(A) 18.5 km/sec (B) 26.6 km/sec
(C) 29.7 km/sec (D) 31.9 km/sec
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18. Who, amongst the following, is regarded as the first astrophysicist?
(A) Johannes Kepler (B) Isaac Newton
(C) Tycho Brahe (D) Christian Huygens
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19. Who, amongst the following, was the first to measure the distance round the Earth?
(A) Eratosthenes (B) Euclid
(C) Happarchus (D) Thales of Miletus
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20. Who, amongst the following, invented the principle of reflecting telescope, which is now used as the world’s largest optical telescope?
(A) Nicolas Copernicus (B) Isaac Newton
(C) Tycho Brahe (D) Galileo Galilei
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