Related Questions
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4
Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
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4
Distance between the Moon and the Earth is
1. Approximately 386000 km
2. 1.25 light seconds
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4
What is the primary cause of the day and night?
C. Inclination of the earth's axis
D. Geoid shape of the earth
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A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its
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The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called
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A celestial body which revolves round the Sun and receives heat and light from it is called _____.
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An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that even light also does not escape. It Is called
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The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause
B. Varying lengths of day and night at different times of the year
C. Differences in time between places on different meridians
D. The deflection of winds
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Equatorial diameter of the Earth is __.
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Which planet does take the longest time in completing one revolution around the Sun?
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From west to east, what are the three main island groups in the Pacific called?
A. Melanesia, Micronesia and Polynesia
B. Polynesia, Micronesia and Melanesia
C. Melanesia, Polynesia and Micronesia
D. Micronesia, Polynesia and Melanesia
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The atmosphere of Venus contains large quantity of
A. Carbondioxide and sulphuric acid
B. Carbondioxide and nitric acid
C. Nitrogen and sulphuric acid
D. Nitrogen and nitric acid
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Which of the following is not an astronomical object?
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Which of the following planets is called 'blue planet'?
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Our Solar System is an orderly community of _____.
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The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called
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What is the time difference for every degree of longitude?
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When the earth is at its maximum distance from the Sun it is said to be in
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What happens when ships cross the International Date Line?
A. They have to pay a tax
B. Ships going west from the USA lose a day, ships going east from Japan and Australia gain a day
C. They have to report at the customs post
D. They have to check their clocks agains
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4
What is the primary cause of seasonal change on the surface of the earth?
A. Earth's revolution and inclination of its axis
C. Earth's rotation and inclination of its axis
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4
The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron
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When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
A. days and nights are of equal lengths in the Northern Hemisphere
B. Nights are longer than days in the Southern Hemisphere
C. Days and nights are of equal lengths at the poles
D. Night is equal to 24 hours at the North Pole
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The rate of rotation of the Earth on its axis is the highest on which of the following date?
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4
Polar diameter of the Eearth is.
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Shoemaker-Levy 9 is a
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Earth revolves round the Sun In an orbit once In every __.
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Nearest star to the earth is _____.
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Which of the following is the largest ocean?
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An imaginary belt of 12 constellations or group of stars la called
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How many satellites does the largest planet have?