Question

DEFINE ALL THE TERMS:

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Answer 1

• Stars : Stars are celestial objects that are extremely hot and have their own light.

• Pole star : The pole star appears to be stationary and does not change its position with time because it lies on the axis of rotation of Earth.

• Remote Sensing : The technique of collection information about an object from a distance is called remote sensing.

• Ursa Major : The Ursa Major constellations consists of 7 bright stars which are arranged in a pattern resembling somewhat a big bear.

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Answer 2

Answer:

• Artificial Satellites : Man-made objects which can be made to revolve around the Earth. Example can be Chandra, Hubble, etc.
• Asteroids : The minor planets that move around the sun between the orbits of Mars and Jupiter. (The belt is known as Asteroid Belt and the biggest asteroid is Ceres.)
• Cassiopeia : A constellation shaped a (disorted) W or M and only visible during winter in the early part of the night.
• Celestial Objects : The natural objects that exist in the outer space (outside of Earth's atmosphere).
• Comets : Small icy objects that orbit the sun and develop a bright long bright tail (of gases mainly heavy water) when it passes near the sun.
• Constellations : A group of stars that make a recognisable pattern or shape in the sky.
• Light Year : Distance covered by light in one year (Light Year = $\tt{9.46 \times {10}^{12}}$).
• Meteorites : A small piece of rock, or metal, that sometimes fall on the ground from outer space.
• Meteors : A piece of rock, or metal, that Burns and glows brightly in the sky as it falls from the outer space into the Earth's atmosphere.
• Natural Satellites : Celestial bodies revolving around the planet. Example is our moon and Phobos of Mars.
• Orbit : The path of planets/celestial objects of their revolution.
• Orion : One of the magnificent constellations in the sky that makes an imaginary figure of a warrior.
• Phases of Moon : Appearances of moon on different days.
• Planets : Celestial objects that revolve around to their respective stars. Example can be our Earth.
• Pole Star : The star which appears stationary from the Earth and is fixed with the Earth's axis approximately.
• Remote Sensing : The technique of getting information of another object at a distance.
• Solar System : A group of the sun, the planets and other celestial objects; the other 'objects' that revolve around the sun.
• Stars : Celestial bodies made up of very hot gases; they emit light of their own.
• Ursa Major : A constellation with is made up of seven stars.