The darkest part of the shadow during eclipse is
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The sunspots cause ________
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Which of these is a dwarf planet?
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The altitudes of heavenly bodies appear to be greater than they actually are. This is due to ________
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The Planet amongst the following (other than Saturn), that shows a faint ring is ________.
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Comets are celestial bodies moving about the solar system in
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The period of one revolution of sun around the centre of galaxy is called ________
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Which is the hottest planet in the solar system?
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Which is the brightest planet of the solar system?
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The planet that is nearly comparable to Earth as regards its size and mass is
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Which planet of the solar system spins on its axis at the fastest rate?
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To a space traveller on moon, the lunar sky during day time appears ________
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The time required by moonlight to reach the earth is ________
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Comets moves around the
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The planets are kept in motion in their respective orbits by ________
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Which of the following celestial bodies bear, 'The Sea of Tranquility' and 'The Ocean of Storms' ?
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Who founded the word "Geography"?
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The Saturn rings were discovered by ________
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The same side of the moon always faces the Earth because ________
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The orbits of planets around the Sun, or of satellites around the Earth, can be ________
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