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Science Background - Mars Rover
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Winter is the coldest season of the year in polar and temperate zones (winter does not occur in most of the tropical zone). It occurs after autumn and before spring in each year.
Winter is the coldest season of the year in polar and temperate zones (winter does not occur in most of the tropical zone). It occurs after autumn and before spring in each year. Winter is caused by the axis of the Earth in that hemisphere being oriented away from the Sun.
Cheerful Transparent Happy New Year Champagne Illustrations for 2020 New Years Party.
Countdown the days until 2020 New Years Day with this great countdown clock.