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Universe

1. 

The smallest planet in the solar system is

A. Venus B. Earth C. Mercury D. Saturn

Answer : C. Mercury

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2. 

A meteor is

A. a rapidly moving star B. a piece of matter which has entered the earth's atmosphere from outer space C. part of a constellation D. a comet without a tail

Answer : B. a piece of matter which has entered the earth's atmosphere from outer space

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3. 

The colour of a star is an indication of its

A. distance from the sun B. luminosity C. distance from the earth D. temperature

Answer : D. temperature

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4. 

One astronomical Unit is the average distance between the

A. Earth and the Sun B. Earth and the Moon C. Jupiter and the Sun D. Pluto and the Sun

Answer : A. Earth and the Sun

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5. 

Day and night are the result of

A. earth's rotation around itself B. earth's revolution around the sun C. both the above reason D. none of these

Answer : A. earth's rotation around itself

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6. 

Hubble' is

A. An electric car B. Nearest star C. A space telescope D. a nuclear powered aeroplane

Answer : C. A space telescope

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