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1) Galaxies pull a. stars b. comets c. each other d. universe boundaries
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2) The largest split aerial telescope contains a. 20 dishes b. 23 dishes c. 25 dishes d. 27 dishes
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3) About one billion years after big bang, huge gas clouds started to pull together due to a. darkness b. gravity c. heat d. light
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4) In irregular galaxies, quantity of gases and dust is a. zero b. more than stars c. less than stars d. limited
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5) The star "Sirius" belongs to a constellation named a. Orion b. Canis Major c. Aquarius d. Taurus
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6) 'Ulysses' also transmits information of a. inner core b. mantle c. solar wind d. outer core
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7) The full form of "SDO" is a. Sun Determining Observatory b. Solar Determining Objective c. Solar Dynamic Objective d. Solar Dynamics Laboratory
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8) Names of two stars of "Sirius" are a. Sirius-1 and Sirius-2 b. Sirius-X and Sirius-Y c. Sirius-A and Sirius-B d. Sirius-I and Sirius-II
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9) A single teaspoon of a 'white dwarf' would weigh many a. kilograms b. milligrams c. tons d. pounds
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10) For all hydrogen to be used up, it will take more than a. 5,000 years b. 5 million years c. 5 billion years d. 5 trillion years
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11) The spiral shaped system is known as a. solar system b. galaxy c. cluster d. comet
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12) The name of our galaxy is a. Whirlpool galaxy b. Black eye galaxy c. Andromeda galaxy d. Milky Way galaxy
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13) Milky way galaxy has most of its stars a. on its boundary line b. in the center c. at the corners d. behind its boundary line
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14) If we observe space for the whole year, we would see different stars every a. year b. month c. season d. week
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15) The dark spots on the surface of sun are known as a. dark spots b. sunspots c. low spots d. cool spots
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16) A gigantic collection of stars, dust and gases held together by gravity is known as a. solar system b. galaxy c. cluster d. comet
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17) Stars produce a. light only b. heat and light c. heat, light and sound d. heat, light, sound and radiations
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18) "Sirius-A" is a a. yellow star b. white dwarf c. blue giant d. red supergiant
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19) The diameter of each dish of separate aerial telescope is a. 20m b. 25m c. 30m d. 35m
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20) The way of collecting facts about sun is also sending satellites a. to heaven b. on sun c. to space d. to earth
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