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9th Tamil Nadu Board
IMPORTANT
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Who proposed heliocentric model of the universe?

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Important Questions on Universe

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9th Tamil Nadu Board
IMPORTANT
Which of the following is not a part of outer solar system?
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9th Tamil Nadu Board
IMPORTANT
Ceres is a
MEDIUM
9th Tamil Nadu Board
IMPORTANT
The period of revolution of Planet A is 8 times that of Planet B. How many times is the distance of Planet A as great as Planet B.
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9th Tamil Nadu Board
IMPORTANT
The Big Bang occurred _____ years ago.
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9th Tamil Nadu Board
IMPORTANT
The speed of the Sun in kmsec is _____
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9th Tamil Nadu Board
IMPORTANT
The rotational period of sun near its pole is _____.
Choose from the given options (15, 25, 36)
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9th Tamil Nadu Board
IMPORTANT
India's first satellite is _____
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9th Tamil Nadu Board
IMPORTANT
The third law of Kepler is also known as law of _____ (ellipses / harmonies).