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Stars and the Solar System Test - 22

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Stars and the Solar System Test - 22
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Weekly Quiz Competition
  • Question 1
    1 / -0
    What is a meteorite?
    Solution
    Meteorite is an object from space such as a small rock or a piece of metal that hits the earth’s surface.
  • Question 2
    1 / -0
    The man-made objects which orbit the Earth are:
    Solution
    Satellites that are man-made are called artificial satellites. Those are launched from Earth into space so that those revolve around or orbit the Earth to collect and send various information. These satellites are called artificial satellites.
  • Question 3
    1 / -0
    Satellite performs:
    Solution
    • Satellite helps in collecting information of weather. 
    • It also helps in transmitting frequencies and radio signals thus helping in communication. It can collect information from remote places, known as telecommunication and remote sensing.
    • It can collect data of the weather, physical division etc of various places and also can collect suspicious frequencies thus helping in defence planning.
  • Question 4
    1 / -0
    Comets revolve around the Sun:
    Solution
    Comets are also members of our solar system. They revolve around the Sun in highly elliptical orbits. However, their period of revolution around the Sun is usually very long.
  • Question 5
    1 / -0
    The bright streaks of light seen occasionally in the sky are ________.
    Solution
    Meteors are small objects that sometimes enter the Earth"s atmosphere. However, due to the high speed of the meteor, friction is created between its surface and the earth's atmosphere causing it to heat up. Thus it glows and evaporates quickly and appears for a very short period of time as a bright streak of light.
  • Question 6
    1 / -0
    Astronomers study about: 
    Solution
    Astronomers are scientists, who study the stars and planets using scientific equipment like telescopes.
    They observe and study celestial bodies.
  • Question 7
    1 / -0
    The diameter of moon is about:
    Solution
    Diameter of moon is $$3474\ km$$.
  • Question 8
    1 / -0
    Fill in the blank.
    Artificial __________ are man-made objects which orbit around the Earth.
    Solution
    Artificial satellites are man-made objects which orbit around the Earth. 
    For example, Aryabhata by India was an artificial satellite.
  • Question 9
    1 / -0
    Which of the following is not a celestial body of the universe?
    Solution
    Celestial bodies are bodies that exists naturally in the space.
    Planets and stars are celestial bodies.
  • Question 10
    1 / -0
    Fill in the blanks:

    Moon moves from ____ to _____ around the Earth.
    Solution
    The moon moves from west to east around the Earth. However, it seems to move from east to west from the earth.
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