PhysicsWhat is a group of stars in the sky that form an imaginary picture?


What is a group of stars in the sky that form an imaginary picture?


  1. A
    Solar System
  2. B
    Moon
  3. C
    Constellation
  4. D
    Galaxy 

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    Solution:

    Concept- In order to answer this question, we must first define each of the four possible answers: Solar System, Moon, Constellation, and Galaxy. Then, based on these definitions, we may decide which response to this question is the correct one.
    The Sun, an ordinary star in the Milky Way Galaxy, and the numerous bodies that orbit it either directly or indirectly make up the gravitationally bound system known as the Solar system. The eight planets are the largest of the bodies that directly orbit the sun; the remaining objects are smaller ones, including the moon and its 170 known planetary satellites, dwarf planets like Pluto, numerous asteroids, some of which have satellites of their own, comets, and other icy bodies, as well as vast stretches of extremely tenuous gas and dust known as the interplanetary medium.
    The Moon, also referred to as Luna, is the sole natural satellite of Earth and is an astronomical body. It is also the largest planetary satellite in terms of the size of the planet it circles, making it the fifth-largest satellite in the entire Solar System. It is generally agreed upon that it was created when the Earth collided with Theia, a planet-sized object. In the entire sky, it is the second brightest object.
    A constellation is a made-up arrangement of stars in the night sky. They are typically named after figures from mythology, including people, animals, and objects. The same clusters of brilliant stars have inspired humans in numerous cultures to create a variety of shapes. There are 88 constellations in total.
    A galaxy is a collection of stars, stellar remnants, interstellar gas, dust, and dark matter that is gravitationally bound. The Greek word galaxias, which means "milky" and refers to the Milky Way, is where the name galaxy comes from. Galaxies range in size from dwarfs with about 100 million stars to giants with 100 trillion stars orbiting their own galaxy's centre of mass.
    It is now abundantly evident from the aforementioned definitions that constellations are collections of stars in the sky that resemble pictures in the mind.
    Hence, the correct option is 3.
     
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