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Astronomy
The scientific study of celestial objects, including planets, stars, galaxies, and other cosmic phenomena, is known as astronomy. It is an area of natural science that explores the beginnings, development, and characteristics of these celestial bodies. To view and study the cosmos, astronomers use sophisticated telescopes, spacecraft, and observatories. The study of stars is a basic component of astronomy. Stars are categorized by astronomers according to their brightness, size, temperature, and makeup. They also study stellar events to learn about the behavior and life cycle of these massive bright objects, such as black holes, pulsars, and supernovae. Astronomy also studies planetary systems both inside and outside of our solar system. Numerous worlds orbiting far-off stars have been found through the quest for exoplanets; some of these planets may contain circumstances conducive to life. Important facets of this discipline include the study of potential habitability, geology, and planetary atmospheres. In addition, astronomy studies galaxies, which are enormous systems of gas, dust, and stars. Astronomers work to comprehend the origin, structure, and development of galaxies, which come in a variety of sizes and forms. They research supermassive black holes, which have a significant influence on the dynamics and evolution of galaxies. All things considered, astronomy is crucial to solving the universe's riddles, deepening our understanding of it, and illuminating our place in its vastness of space.
1.
Which famous astronomer formulated the laws of planetary motion?
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a. Isaac Newton
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b. Galileo Galilei
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c. Johannes Kepler
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d. Nicolaus Copernicus
Answer : c. Johannes Kepler
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2.
What is the term for a group of stars that form a pattern in the sky?
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a. Galaxy
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b. Constellation
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c. Nebula
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d. Solar System
Answer : b. Constellation
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3.
What is the process by which a solid changes directly into a gas without passing through the liquid state?
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a. Sublimation
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b. Condensation
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c. Evaporation
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d. Freezing
Answer : a. Sublimation
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4.
What is the name of the first man-made satellite launched into space?
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a. Apollo 11
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b. Hubble Space Telescope
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c. Sputnik 1
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d. Voyager 1
Answer : c. Sputnik 1
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5.
What is a supernova?
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a. An exploding star
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b. A type of galaxy
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c. A massive asteroid
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d. A planet with rings
Answer : a. An exploding star
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6.
What is the phenomenon where the Moon passes between the Earth and the Sun, blocking sunlight?
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a. Lunar eclipse
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b. Solar eclipse
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c. Halley's comet
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d. Meteor shower
Answer : b. Solar eclipse
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7.
What is the largest planet in our solar system?
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a. Jupiter
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b. Saturn
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c. Uranus
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d. Neptune
Answer : a. Jupiter
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8.
What is a black hole?
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a. A region of space with extremely high gravitational pull
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b. A star that has exploded
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c. A planet that cannot support life
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d. A type of galaxy with no stars
Answer : a. A region of space with extremely high gravitational pull
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9.
What is a light-year?
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a. The time it takes light to travel in a year
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b. The distance light travels in a year
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c. The brightness of a star compared to the Sun
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d. The size of a star compared to the Sun
Answer : b. The distance light travels in a year
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10.
What is the process by which stars generate energy?
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a. Fusion
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b. Fission
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c. Combustion
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d. Evaporation
Answer : a. Fusion
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11.
What is the nearest star to Earth (other than the Sun)?
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a. Alpha Centauri
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b. Sirius
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c. Proxima Centauri
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d. Vega
Answer : c. Proxima Centauri
Show Answer
12.
What is the name of our galaxy?
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a. Andromeda Galaxy
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b. Milky Way Galaxy
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c. Sombrero Galaxy
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d. Pinwheel Galaxy
Answer : b. Milky Way Galaxy
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13.
Which planet is known as the "Red Planet"?
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a. Mars
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b. Venus
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c. Jupiter
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d. Mercury
Answer : a. Mars
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14.
What is the study of celestial objects and phenomena called?
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a. Meteorology
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b. Astronomy
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c. Geology
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d. Botany
Answer : b. Astronomy
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