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Answers
the year divided by four is called leap year. an equinox is constantly regarded as the instant of time when plane of earth's equator pass through centre of sun.
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here's your answer:-
(a)The axis of rotation of the Earth is tilted at an angle of 23.5 degrees away from vertical, perpendicular to the plane of our planet's orbit around the sun. The tilt of the earth's axis is important, in that it governs the warming strength of the Sun's energy.
(b) ROTATION & REVOLUTION
●Rotation is when a planet or moon turns all the way around or spins on its axis one time. The axis of rotation is an imaginary line going from the north pole to the south pole.
●When a planet or moon travels once around an object this is considered a revolution.
(c)A leap year is a calendar year containing one additional day added to keep the calendar year synchronized with the astronomical or seasonal year.
(d)The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun. In between, there are two times when the tilt of the Earth is zero, meaning that the tilt is neither away from the Sun nor toward the Sun.
(e)An equinox is commonly regarded as the instant of time when the plane of Earth's equator passes through the center of the Sun. This occurs twice each year
(f)Because of the tilt of the earth on its axis. When the North Pole is tilted towards the Sun, the northern hemisphere experiences summer solstice. ... That is why, When it is summer in the northern hemisphere, it is winter in the southern hemisphere. It's all because the Earth is tilted on its axis.
(g) The earth is tilted on its axis, because of which very poor sunlight is allowed to reach the north and south poles. When the north pole is tilted towards the sun,it experiences continuous day light for six months. And when the pole is tilted on the other side, it experiences continuous night for six months.
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