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Stars and the Solar System, Exercise : Solutions of Questions on Page Number : 234, , Qi:, , Which of the following is NOT a member of the solar system?, (a) An asteroid, , (b) A satellite, , (c) A constellation, , (d) A comet, , Answer :, (c) Constellation, , A constellation is not a member of the solar system.Consteliations are groups of stars that form recognisable shapes., , Q2:, , Which of the following is NOT a planet of the sun?, (a) Sirius, , (b) Mercury, , (c) Saturn, , (d) Earth, , Answer :, (a) Sirius, , Sirius is a star and not a planet of the sun., , Q3:, , Phases of the moon occur because, , (a) we can see only that part of the moon which reflects light towards us., (b) our distance from the moon keeps changing., , (c) the shadow of the Earth covers only a part of the moon's surface., , (d) the thickness of the moon's atmosphere is not constant., , Answer :, (a) Phases of the moon occur because we can see only that part of the moon which reflects light towards us., , Moon does not produce its own light. We are able to see the moon because the sunlight falling on it gets reflected towards us. Thus,, we see only that part of the moon from which the light of the sun gets reflected towards us.
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Q4:, , , , in the blanks:, , (a) The planet which Is farthest from the sun is, (b) The planet which appears reddish in colour is, , (c) A group of stars that appear to form a pattern in the sky is known as a, (d) A celestial body that revolves around a planet is known as a,, , (e) Shooting stars are actually not, , (f) Asteroids are found between the orbits of and, , Answer :, , (a) The planet which is farthest from the sun is __Neptune, , (b) The planet which appears reddish in colour is __Mars, , (0) A group of stars that appear te form a pattern in the sky is known as a __constellation _., , , , (d) A celestial body that revolves around a planet is known as asat, , (e) Shooting stars are actually not stars__., , , , (Shooting stars are not stars, they are meteors), (f) Asteroids are found between the orbits of __Mars__ and __Jupiter., (Asteroids occupy a large gap between the orbits of Mars and Jupiter), , Qs:, , Mark the following statement as true (1) or false (F)., , (a) Pole star is a member of the solar system. (), , (b) Mercury is the smallest planet of the solar system. (), (c) Uranus is the farthest planet in the solar system. (), (@) INSAT is an artificial satelite. (), , {e) There are nine planets in the solar system. (), , (f) Constellation Orion can be seen only with a telescope. (), , Answer : (a), , False, , Stars are not a member of the solar system. The sun and the celestial badies revolving around it form the solar system., (b) True, , Mercury is the smallest planet of the solar system., , (0) False, , Neptune is the farthest planet in the solar system., , (a) Tue, , INSAT is an artificial satellite, , (e) False, , There are eight planets in the solar system., They are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune., , (f) False, , Constellation Orion can be seen during winters around late evenings. It is one of the most magnificent constellations in the sky,, visible to the naked eyes.